Home / 7,863.18-10,845.02-4,877.34

Finding the Fourth Proportional to 7,863.18, 10,845.02 and 4,877.34

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Solution

The fourth proportional to 7,863.18, 10,845.02 and 4,877.34 is: 6,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.18 : 10,845.02 = 4,877.34 : x
  2. Step 2: Convert to fraction form
    7,863.18/10,845.02 = 4,877.34/x
  3. Step 3: Cross multiply
    7,863.18x = 10,845.02 × 4,877.34
  4. Step 4: Simplify right side
    7,863.18x = 52,894,849.85
  5. Step 5: Solve for x
    x = 52,894,849.85/7,863.18
  6. Step 6: Final answer
    x = 6,726.90

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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.