Home / 7,902.28-11,853.30-2,359.45

Finding the Fourth Proportional to 7,902.28, 11,853.30 and 2,359.45

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Solution

The fourth proportional to 7,902.28, 11,853.30 and 2,359.45 is: 3,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.28 : 11,853.30 = 2,359.45 : x
  2. Step 2: Convert to fraction form
    7,902.28/11,853.30 = 2,359.45/x
  3. Step 3: Cross multiply
    7,902.28x = 11,853.30 × 2,359.45
  4. Step 4: Simplify right side
    7,902.28x = 27,967,209.42
  5. Step 5: Solve for x
    x = 27,967,209.42/7,902.28
  6. Step 6: Final answer
    x = 3,539.13

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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.