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Finding the Fourth Proportional to 5,335.61, 8,007.05 and 1,872.86

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Solution

The fourth proportional to 5,335.61, 8,007.05 and 1,872.86 is: 2,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.61 : 8,007.05 = 1,872.86 : x
  2. Step 2: Convert to fraction form
    5,335.61/8,007.05 = 1,872.86/x
  3. Step 3: Cross multiply
    5,335.61x = 8,007.05 × 1,872.86
  4. Step 4: Simplify right side
    5,335.61x = 14,996,034.26
  5. Step 5: Solve for x
    x = 14,996,034.26/5,335.61
  6. Step 6: Final answer
    x = 2,810.56

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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.