Home / 5,169.46-7,130.66-4,507.90

Finding the Fourth Proportional to 5,169.46, 7,130.66 and 4,507.90

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Solution

The fourth proportional to 5,169.46, 7,130.66 and 4,507.90 is: 6,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.46 : 7,130.66 = 4,507.90 : x
  2. Step 2: Convert to fraction form
    5,169.46/7,130.66 = 4,507.90/x
  3. Step 3: Cross multiply
    5,169.46x = 7,130.66 × 4,507.90
  4. Step 4: Simplify right side
    5,169.46x = 32,144,279.67
  5. Step 5: Solve for x
    x = 32,144,279.67/5,169.46
  6. Step 6: Final answer
    x = 6,218.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.