Home / 6,377.74-8,801.40-3,545.35

Finding the Fourth Proportional to 6,377.74, 8,801.40 and 3,545.35

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Solution

The fourth proportional to 6,377.74, 8,801.40 and 3,545.35 is: 4,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.74 : 8,801.40 = 3,545.35 : x
  2. Step 2: Convert to fraction form
    6,377.74/8,801.40 = 3,545.35/x
  3. Step 3: Cross multiply
    6,377.74x = 8,801.40 × 3,545.35
  4. Step 4: Simplify right side
    6,377.74x = 31,204,043.49
  5. Step 5: Solve for x
    x = 31,204,043.49/6,377.74
  6. Step 6: Final answer
    x = 4,892.65

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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.