Home / 8,785.17-13,145.31-5,277.29

Finding the Fourth Proportional to 8,785.17, 13,145.31 and 5,277.29

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Solution

The fourth proportional to 8,785.17, 13,145.31 and 5,277.29 is: 7,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.17 : 13,145.31 = 5,277.29 : x
  2. Step 2: Convert to fraction form
    8,785.17/13,145.31 = 5,277.29/x
  3. Step 3: Cross multiply
    8,785.17x = 13,145.31 × 5,277.29
  4. Step 4: Simplify right side
    8,785.17x = 69,371,547.28
  5. Step 5: Solve for x
    x = 69,371,547.28/8,785.17
  6. Step 6: Final answer
    x = 7,896.44

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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.