Home / 8,785.16-13,171.91-4,838.28

Finding the Fourth Proportional to 8,785.16, 13,171.91 and 4,838.28

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Solution

The fourth proportional to 8,785.16, 13,171.91 and 4,838.28 is: 7,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.16 : 13,171.91 = 4,838.28 : x
  2. Step 2: Convert to fraction form
    8,785.16/13,171.91 = 4,838.28/x
  3. Step 3: Cross multiply
    8,785.16x = 13,171.91 × 4,838.28
  4. Step 4: Simplify right side
    8,785.16x = 63,729,388.71
  5. Step 5: Solve for x
    x = 63,729,388.71/8,785.16
  6. Step 6: Final answer
    x = 7,254.21

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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.