Home / 5,529.53-7,630.61-3,139.36

Finding the Fourth Proportional to 5,529.53, 7,630.61 and 3,139.36

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Solution

The fourth proportional to 5,529.53, 7,630.61 and 3,139.36 is: 4,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.53 : 7,630.61 = 3,139.36 : x
  2. Step 2: Convert to fraction form
    5,529.53/7,630.61 = 3,139.36/x
  3. Step 3: Cross multiply
    5,529.53x = 7,630.61 × 3,139.36
  4. Step 4: Simplify right side
    5,529.53x = 23,955,197.04
  5. Step 5: Solve for x
    x = 23,955,197.04/5,529.53
  6. Step 6: Final answer
    x = 4,332.23

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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.