Home / 8,721.60-13,078.02-4,037.59

Finding the Fourth Proportional to 8,721.60, 13,078.02 and 4,037.59

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Solution

The fourth proportional to 8,721.60, 13,078.02 and 4,037.59 is: 6,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.60 : 13,078.02 = 4,037.59 : x
  2. Step 2: Convert to fraction form
    8,721.60/13,078.02 = 4,037.59/x
  3. Step 3: Cross multiply
    8,721.60x = 13,078.02 × 4,037.59
  4. Step 4: Simplify right side
    8,721.60x = 52,803,617.38
  5. Step 5: Solve for x
    x = 52,803,617.38/8,721.60
  6. Step 6: Final answer
    x = 6,054.35

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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.