Home / 8,317.50-11,478.15-4,591.74

Finding the Fourth Proportional to 8,317.50, 11,478.15 and 4,591.74

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Solution

The fourth proportional to 8,317.50, 11,478.15 and 4,591.74 is: 6,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.50 : 11,478.15 = 4,591.74 : x
  2. Step 2: Convert to fraction form
    8,317.50/11,478.15 = 4,591.74/x
  3. Step 3: Cross multiply
    8,317.50x = 11,478.15 × 4,591.74
  4. Step 4: Simplify right side
    8,317.50x = 52,704,680.48
  5. Step 5: Solve for x
    x = 52,704,680.48/8,317.50
  6. Step 6: Final answer
    x = 6,336.60

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1.5x scale

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.