Home / 7,711.22-10,641.82-4,877.58

Finding the Fourth Proportional to 7,711.22, 10,641.82 and 4,877.58

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Solution

The fourth proportional to 7,711.22, 10,641.82 and 4,877.58 is: 6,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.22 : 10,641.82 = 4,877.58 : x
  2. Step 2: Convert to fraction form
    7,711.22/10,641.82 = 4,877.58/x
  3. Step 3: Cross multiply
    7,711.22x = 10,641.82 × 4,877.58
  4. Step 4: Simplify right side
    7,711.22x = 51,906,328.40
  5. Step 5: Solve for x
    x = 51,906,328.40/7,711.22
  6. Step 6: Final answer
    x = 6,731.27

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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.