Home / 8,717.52-12,030.15-4,738.56

Finding the Fourth Proportional to 8,717.52, 12,030.15 and 4,738.56

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Solution

The fourth proportional to 8,717.52, 12,030.15 and 4,738.56 is: 6,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.52 : 12,030.15 = 4,738.56 : x
  2. Step 2: Convert to fraction form
    8,717.52/12,030.15 = 4,738.56/x
  3. Step 3: Cross multiply
    8,717.52x = 12,030.15 × 4,738.56
  4. Step 4: Simplify right side
    8,717.52x = 57,005,587.58
  5. Step 5: Solve for x
    x = 57,005,587.58/8,717.52
  6. Step 6: Final answer
    x = 6,539.20

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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.