Home / 7,587.80-11,381.70-2,394.20

Finding the Fourth Proportional to 7,587.80, 11,381.70 and 2,394.20

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Solution

The fourth proportional to 7,587.80, 11,381.70 and 2,394.20 is: 3,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.80 : 11,381.70 = 2,394.20 : x
  2. Step 2: Convert to fraction form
    7,587.80/11,381.70 = 2,394.20/x
  3. Step 3: Cross multiply
    7,587.80x = 11,381.70 × 2,394.20
  4. Step 4: Simplify right side
    7,587.80x = 27,250,066.14
  5. Step 5: Solve for x
    x = 27,250,066.14/7,587.80
  6. Step 6: Final answer
    x = 3,591.30

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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.