Home / 7,984.84-11,977.26-3,710.13

Finding the Fourth Proportional to 7,984.84, 11,977.26 and 3,710.13

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Solution

The fourth proportional to 7,984.84, 11,977.26 and 3,710.13 is: 5,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.84 : 11,977.26 = 3,710.13 : x
  2. Step 2: Convert to fraction form
    7,984.84/11,977.26 = 3,710.13/x
  3. Step 3: Cross multiply
    7,984.84x = 11,977.26 × 3,710.13
  4. Step 4: Simplify right side
    7,984.84x = 44,437,191.64
  5. Step 5: Solve for x
    x = 44,437,191.64/7,984.84
  6. Step 6: Final answer
    x = 5,565.20

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Similar ratio
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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.