Home / 8,785.47-13,176.30-2,782.02

Finding the Fourth Proportional to 8,785.47, 13,176.30 and 2,782.02

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Solution

The fourth proportional to 8,785.47, 13,176.30 and 2,782.02 is: 4,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.47 : 13,176.30 = 2,782.02 : x
  2. Step 2: Convert to fraction form
    8,785.47/13,176.30 = 2,782.02/x
  3. Step 3: Cross multiply
    8,785.47x = 13,176.30 × 2,782.02
  4. Step 4: Simplify right side
    8,785.47x = 36,656,730.13
  5. Step 5: Solve for x
    x = 36,656,730.13/8,785.47
  6. Step 6: Final answer
    x = 4,172.43

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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.