Home / 9,108.47-13,687.41-4,951.55

Finding the Fourth Proportional to 9,108.47, 13,687.41 and 4,951.55

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Solution

The fourth proportional to 9,108.47, 13,687.41 and 4,951.55 is: 7,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.47 : 13,687.41 = 4,951.55 : x
  2. Step 2: Convert to fraction form
    9,108.47/13,687.41 = 4,951.55/x
  3. Step 3: Cross multiply
    9,108.47x = 13,687.41 × 4,951.55
  4. Step 4: Simplify right side
    9,108.47x = 67,773,894.99
  5. Step 5: Solve for x
    x = 67,773,894.99/9,108.47
  6. Step 6: Final answer
    x = 7,440.76

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1.5x scale

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.