Home / 5,655.15-8,479.59-2,538.14

Finding the Fourth Proportional to 5,655.15, 8,479.59 and 2,538.14

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Solution

The fourth proportional to 5,655.15, 8,479.59 and 2,538.14 is: 3,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.15 : 8,479.59 = 2,538.14 : x
  2. Step 2: Convert to fraction form
    5,655.15/8,479.59 = 2,538.14/x
  3. Step 3: Cross multiply
    5,655.15x = 8,479.59 × 2,538.14
  4. Step 4: Simplify right side
    5,655.15x = 21,522,386.56
  5. Step 5: Solve for x
    x = 21,522,386.56/5,655.15
  6. Step 6: Final answer
    x = 3,805.80

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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.