Home / 8,785.27-12,127.63-5,602.84

Finding the Fourth Proportional to 8,785.27, 12,127.63 and 5,602.84

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Solution

The fourth proportional to 8,785.27, 12,127.63 and 5,602.84 is: 7,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.27 : 12,127.63 = 5,602.84 : x
  2. Step 2: Convert to fraction form
    8,785.27/12,127.63 = 5,602.84/x
  3. Step 3: Cross multiply
    8,785.27x = 12,127.63 × 5,602.84
  4. Step 4: Simplify right side
    8,785.27x = 67,949,170.47
  5. Step 5: Solve for x
    x = 67,949,170.47/8,785.27
  6. Step 6: Final answer
    x = 7,734.44

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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.