Home / 8,785.11-12,124.11-5,008.37

Finding the Fourth Proportional to 8,785.11, 12,124.11 and 5,008.37

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Solution

The fourth proportional to 8,785.11, 12,124.11 and 5,008.37 is: 6,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.11 : 12,124.11 = 5,008.37 : x
  2. Step 2: Convert to fraction form
    8,785.11/12,124.11 = 5,008.37/x
  3. Step 3: Cross multiply
    8,785.11x = 12,124.11 × 5,008.37
  4. Step 4: Simplify right side
    8,785.11x = 60,721,968.18
  5. Step 5: Solve for x
    x = 60,721,968.18/8,785.11
  6. Step 6: Final answer
    x = 6,911.92

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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.