Home / 4,445.52-6,668.28-3,123.84

Finding the Fourth Proportional to 4,445.52, 6,668.28 and 3,123.84

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Solution

The fourth proportional to 4,445.52, 6,668.28 and 3,123.84 is: 4,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.52 : 6,668.28 = 3,123.84 : x
  2. Step 2: Convert to fraction form
    4,445.52/6,668.28 = 3,123.84/x
  3. Step 3: Cross multiply
    4,445.52x = 6,668.28 × 3,123.84
  4. Step 4: Simplify right side
    4,445.52x = 20,830,639.80
  5. Step 5: Solve for x
    x = 20,830,639.80/4,445.52
  6. Step 6: Final answer
    x = 4,685.76

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.