Home / 6,658.57-9,984.30-1,977.92

Finding the Fourth Proportional to 6,658.57, 9,984.30 and 1,977.92

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Solution

The fourth proportional to 6,658.57, 9,984.30 and 1,977.92 is: 2,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.57 : 9,984.30 = 1,977.92 : x
  2. Step 2: Convert to fraction form
    6,658.57/9,984.30 = 1,977.92/x
  3. Step 3: Cross multiply
    6,658.57x = 9,984.30 × 1,977.92
  4. Step 4: Simplify right side
    6,658.57x = 19,748,126.76
  5. Step 5: Solve for x
    x = 19,748,126.76/6,658.57
  6. Step 6: Final answer
    x = 2,965.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.