Home / 5,159.08-7,720.14-4,468.12

Finding the Fourth Proportional to 5,159.08, 7,720.14 and 4,468.12

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Solution

The fourth proportional to 5,159.08, 7,720.14 and 4,468.12 is: 6,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.08 : 7,720.14 = 4,468.12 : x
  2. Step 2: Convert to fraction form
    5,159.08/7,720.14 = 4,468.12/x
  3. Step 3: Cross multiply
    5,159.08x = 7,720.14 × 4,468.12
  4. Step 4: Simplify right side
    5,159.08x = 34,494,511.94
  5. Step 5: Solve for x
    x = 34,494,511.94/5,159.08
  6. Step 6: Final answer
    x = 6,686.18

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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.