Home / 7,440.79-10,263.67-6,444.36

Finding the Fourth Proportional to 7,440.79, 10,263.67 and 6,444.36

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Solution

The fourth proportional to 7,440.79, 10,263.67 and 6,444.36 is: 8,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.79 : 10,263.67 = 6,444.36 : x
  2. Step 2: Convert to fraction form
    7,440.79/10,263.67 = 6,444.36/x
  3. Step 3: Cross multiply
    7,440.79x = 10,263.67 × 6,444.36
  4. Step 4: Simplify right side
    7,440.79x = 66,142,784.40
  5. Step 5: Solve for x
    x = 66,142,784.40/7,440.79
  6. Step 6: Final answer
    x = 8,889.22

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Half scale
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Double scale
Find fourth proportional to 7,441.79, 10,265.05 and 6,445.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.