Home / 5,658.32-7,808.49-3,140.36

Finding the Fourth Proportional to 5,658.32, 7,808.49 and 3,140.36

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Solution

The fourth proportional to 5,658.32, 7,808.49 and 3,140.36 is: 4,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.32 : 7,808.49 = 3,140.36 : x
  2. Step 2: Convert to fraction form
    5,658.32/7,808.49 = 3,140.36/x
  3. Step 3: Cross multiply
    5,658.32x = 7,808.49 × 3,140.36
  4. Step 4: Simplify right side
    5,658.32x = 24,521,469.66
  5. Step 5: Solve for x
    x = 24,521,469.66/5,658.32
  6. Step 6: Final answer
    x = 4,333.70

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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.