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Finding the Fourth Proportional to 7,393.71, 10,200.88 and 4,877.08

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Solution

The fourth proportional to 7,393.71, 10,200.88 and 4,877.08 is: 6,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.71 : 10,200.88 = 4,877.08 : x
  2. Step 2: Convert to fraction form
    7,393.71/10,200.88 = 4,877.08/x
  3. Step 3: Cross multiply
    7,393.71x = 10,200.88 × 4,877.08
  4. Step 4: Simplify right side
    7,393.71x = 49,750,432.44
  5. Step 5: Solve for x
    x = 49,750,432.44/7,393.71
  6. Step 6: Final answer
    x = 6,728.75

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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.