Home / 5,385.76-7,433.40-3,027.76

Finding the Fourth Proportional to 5,385.76, 7,433.40 and 3,027.76

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Solution

The fourth proportional to 5,385.76, 7,433.40 and 3,027.76 is: 4,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.76 : 7,433.40 = 3,027.76 : x
  2. Step 2: Convert to fraction form
    5,385.76/7,433.40 = 3,027.76/x
  3. Step 3: Cross multiply
    5,385.76x = 7,433.40 × 3,027.76
  4. Step 4: Simplify right side
    5,385.76x = 22,506,551.18
  5. Step 5: Solve for x
    x = 22,506,551.18/5,385.76
  6. Step 6: Final answer
    x = 4,178.90

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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.