Home / 7,876.17-10,872.23-4,731.75

Finding the Fourth Proportional to 7,876.17, 10,872.23 and 4,731.75

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Solution

The fourth proportional to 7,876.17, 10,872.23 and 4,731.75 is: 6,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.17 : 10,872.23 = 4,731.75 : x
  2. Step 2: Convert to fraction form
    7,876.17/10,872.23 = 4,731.75/x
  3. Step 3: Cross multiply
    7,876.17x = 10,872.23 × 4,731.75
  4. Step 4: Simplify right side
    7,876.17x = 51,444,650.64
  5. Step 5: Solve for x
    x = 51,444,650.64/7,876.17
  6. Step 6: Final answer
    x = 6,531.68

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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.