Home / 5,658.90-7,808.88-3,141.12

Finding the Fourth Proportional to 5,658.90, 7,808.88 and 3,141.12

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Solution

The fourth proportional to 5,658.90, 7,808.88 and 3,141.12 is: 4,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.90 : 7,808.88 = 3,141.12 : x
  2. Step 2: Convert to fraction form
    5,658.90/7,808.88 = 3,141.12/x
  3. Step 3: Cross multiply
    5,658.90x = 7,808.88 × 3,141.12
  4. Step 4: Simplify right side
    5,658.90x = 24,528,629.15
  5. Step 5: Solve for x
    x = 24,528,629.15/5,658.90
  6. Step 6: Final answer
    x = 4,334.52

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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.