Home / 8,725.76-13,088.64-3,535.28

Finding the Fourth Proportional to 8,725.76, 13,088.64 and 3,535.28

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Solution

The fourth proportional to 8,725.76, 13,088.64 and 3,535.28 is: 5,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.76 : 13,088.64 = 3,535.28 : x
  2. Step 2: Convert to fraction form
    8,725.76/13,088.64 = 3,535.28/x
  3. Step 3: Cross multiply
    8,725.76x = 13,088.64 × 3,535.28
  4. Step 4: Simplify right side
    8,725.76x = 46,272,007.22
  5. Step 5: Solve for x
    x = 46,272,007.22/8,725.76
  6. Step 6: Final answer
    x = 5,302.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.