Home / 5,123.36-7,059.60-4,002.56

Finding the Fourth Proportional to 5,123.36, 7,059.60 and 4,002.56

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Solution

The fourth proportional to 5,123.36, 7,059.60 and 4,002.56 is: 5,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.36 : 7,059.60 = 4,002.56 : x
  2. Step 2: Convert to fraction form
    5,123.36/7,059.60 = 4,002.56/x
  3. Step 3: Cross multiply
    5,123.36x = 7,059.60 × 4,002.56
  4. Step 4: Simplify right side
    5,123.36x = 28,256,472.58
  5. Step 5: Solve for x
    x = 28,256,472.58/5,123.36
  6. Step 6: Final answer
    x = 5,515.22

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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.