Home / 8,898.15-13,342.69-2,972.91

Finding the Fourth Proportional to 8,898.15, 13,342.69 and 2,972.91

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Solution

The fourth proportional to 8,898.15, 13,342.69 and 2,972.91 is: 4,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.15 : 13,342.69 = 2,972.91 : x
  2. Step 2: Convert to fraction form
    8,898.15/13,342.69 = 2,972.91/x
  3. Step 3: Cross multiply
    8,898.15x = 13,342.69 × 2,972.91
  4. Step 4: Simplify right side
    8,898.15x = 39,666,616.53
  5. Step 5: Solve for x
    x = 39,666,616.53/8,898.15
  6. Step 6: Final answer
    x = 4,457.85

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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.