Home / 7,439.04-10,243.26-6,444.36

Finding the Fourth Proportional to 7,439.04, 10,243.26 and 6,444.36

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Solution

The fourth proportional to 7,439.04, 10,243.26 and 6,444.36 is: 8,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.04 : 10,243.26 = 6,444.36 : x
  2. Step 2: Convert to fraction form
    7,439.04/10,243.26 = 6,444.36/x
  3. Step 3: Cross multiply
    7,439.04x = 10,243.26 × 6,444.36
  4. Step 4: Simplify right side
    7,439.04x = 66,011,255.01
  5. Step 5: Solve for x
    x = 66,011,255.01/7,439.04
  6. Step 6: Final answer
    x = 8,873.63

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Half scale
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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.