Home / 5,558.95-7,658.36-3,877.35

Finding the Fourth Proportional to 5,558.95, 7,658.36 and 3,877.35

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Solution

The fourth proportional to 5,558.95, 7,658.36 and 3,877.35 is: 5,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.95 : 7,658.36 = 3,877.35 : x
  2. Step 2: Convert to fraction form
    5,558.95/7,658.36 = 3,877.35/x
  3. Step 3: Cross multiply
    5,558.95x = 7,658.36 × 3,877.35
  4. Step 4: Simplify right side
    5,558.95x = 29,694,122.76
  5. Step 5: Solve for x
    x = 29,694,122.76/5,558.95
  6. Step 6: Final answer
    x = 5,341.68

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Half scale
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Double scale
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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.