Home / 6,681.92-9,210.40-5,263.36

Finding the Fourth Proportional to 6,681.92, 9,210.40 and 5,263.36

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Solution

The fourth proportional to 6,681.92, 9,210.40 and 5,263.36 is: 7,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.92 : 9,210.40 = 5,263.36 : x
  2. Step 2: Convert to fraction form
    6,681.92/9,210.40 = 5,263.36/x
  3. Step 3: Cross multiply
    6,681.92x = 9,210.40 × 5,263.36
  4. Step 4: Simplify right side
    6,681.92x = 48,477,650.94
  5. Step 5: Solve for x
    x = 48,477,650.94/6,681.92
  6. Step 6: Final answer
    x = 7,255.05

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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.