Home / 5,658.10-7,808.16-3,140.59

Finding the Fourth Proportional to 5,658.10, 7,808.16 and 3,140.59

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Solution

The fourth proportional to 5,658.10, 7,808.16 and 3,140.59 is: 4,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.10 : 7,808.16 = 3,140.59 : x
  2. Step 2: Convert to fraction form
    5,658.10/7,808.16 = 3,140.59/x
  3. Step 3: Cross multiply
    5,658.10x = 7,808.16 × 3,140.59
  4. Step 4: Simplify right side
    5,658.10x = 24,522,229.21
  5. Step 5: Solve for x
    x = 24,522,229.21/5,658.10
  6. Step 6: Final answer
    x = 4,334.00

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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.