Home / 8,520.01-12,785.85-2,973.35

Finding the Fourth Proportional to 8,520.01, 12,785.85 and 2,973.35

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Solution

The fourth proportional to 8,520.01, 12,785.85 and 2,973.35 is: 4,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.01 : 12,785.85 = 2,973.35 : x
  2. Step 2: Convert to fraction form
    8,520.01/12,785.85 = 2,973.35/x
  3. Step 3: Cross multiply
    8,520.01x = 12,785.85 × 2,973.35
  4. Step 4: Simplify right side
    8,520.01x = 38,016,869.59
  5. Step 5: Solve for x
    x = 38,016,869.59/8,520.01
  6. Step 6: Final answer
    x = 4,462.07

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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.