Home / 7,899.30-11,848.95-3,282.30

Finding the Fourth Proportional to 7,899.30, 11,848.95 and 3,282.30

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Solution

The fourth proportional to 7,899.30, 11,848.95 and 3,282.30 is: 4,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.30 : 11,848.95 = 3,282.30 : x
  2. Step 2: Convert to fraction form
    7,899.30/11,848.95 = 3,282.30/x
  3. Step 3: Cross multiply
    7,899.30x = 11,848.95 × 3,282.30
  4. Step 4: Simplify right side
    7,899.30x = 38,891,808.59
  5. Step 5: Solve for x
    x = 38,891,808.59/7,899.30
  6. Step 6: Final answer
    x = 4,923.45

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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.