Home / 4,748.76-6,551.55-3,177.90

Finding the Fourth Proportional to 4,748.76, 6,551.55 and 3,177.90

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Solution

The fourth proportional to 4,748.76, 6,551.55 and 3,177.90 is: 4,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.76 : 6,551.55 = 3,177.90 : x
  2. Step 2: Convert to fraction form
    4,748.76/6,551.55 = 3,177.90/x
  3. Step 3: Cross multiply
    4,748.76x = 6,551.55 × 3,177.90
  4. Step 4: Simplify right side
    4,748.76x = 20,820,170.75
  5. Step 5: Solve for x
    x = 20,820,170.75/4,748.76
  6. Step 6: Final answer
    x = 4,384.34

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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.