Home / 6,658.30-9,188.12-4,005.20

Finding the Fourth Proportional to 6,658.30, 9,188.12 and 4,005.20

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Solution

The fourth proportional to 6,658.30, 9,188.12 and 4,005.20 is: 5,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.30 : 9,188.12 = 4,005.20 : x
  2. Step 2: Convert to fraction form
    6,658.30/9,188.12 = 4,005.20/x
  3. Step 3: Cross multiply
    6,658.30x = 9,188.12 × 4,005.20
  4. Step 4: Simplify right side
    6,658.30x = 36,800,258.22
  5. Step 5: Solve for x
    x = 36,800,258.22/6,658.30
  6. Step 6: Final answer
    x = 5,526.98

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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.