Home / 7,587.56-11,380.99-2,658.31

Finding the Fourth Proportional to 7,587.56, 11,380.99 and 2,658.31

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Solution

The fourth proportional to 7,587.56, 11,380.99 and 2,658.31 is: 3,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.56 : 11,380.99 = 2,658.31 : x
  2. Step 2: Convert to fraction form
    7,587.56/11,380.99 = 2,658.31/x
  3. Step 3: Cross multiply
    7,587.56x = 11,380.99 × 2,658.31
  4. Step 4: Simplify right side
    7,587.56x = 30,254,199.53
  5. Step 5: Solve for x
    x = 30,254,199.53/7,587.56
  6. Step 6: Final answer
    x = 3,987.34

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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.