Home / 7,898.01-11,854.29-4,005.15

Finding the Fourth Proportional to 7,898.01, 11,854.29 and 4,005.15

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Solution

The fourth proportional to 7,898.01, 11,854.29 and 4,005.15 is: 6,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.01 : 11,854.29 = 4,005.15 : x
  2. Step 2: Convert to fraction form
    7,898.01/11,854.29 = 4,005.15/x
  3. Step 3: Cross multiply
    7,898.01x = 11,854.29 × 4,005.15
  4. Step 4: Simplify right side
    7,898.01x = 47,478,209.59
  5. Step 5: Solve for x
    x = 47,478,209.59/7,898.01
  6. Step 6: Final answer
    x = 6,011.41

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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.