Home / 4,472.60-6,178.20-3,437.60

Finding the Fourth Proportional to 4,472.60, 6,178.20 and 3,437.60

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Solution

The fourth proportional to 4,472.60, 6,178.20 and 3,437.60 is: 4,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.60 : 6,178.20 = 3,437.60 : x
  2. Step 2: Convert to fraction form
    4,472.60/6,178.20 = 3,437.60/x
  3. Step 3: Cross multiply
    4,472.60x = 6,178.20 × 3,437.60
  4. Step 4: Simplify right side
    4,472.60x = 21,238,180.32
  5. Step 5: Solve for x
    x = 21,238,180.32/4,472.60
  6. Step 6: Final answer
    x = 4,748.51

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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.