Home / 5,431.49-8,134.66-4,632.18

Finding the Fourth Proportional to 5,431.49, 8,134.66 and 4,632.18

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Solution

The fourth proportional to 5,431.49, 8,134.66 and 4,632.18 is: 6,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.49 : 8,134.66 = 4,632.18 : x
  2. Step 2: Convert to fraction form
    5,431.49/8,134.66 = 4,632.18/x
  3. Step 3: Cross multiply
    5,431.49x = 8,134.66 × 4,632.18
  4. Step 4: Simplify right side
    5,431.49x = 37,681,209.36
  5. Step 5: Solve for x
    x = 37,681,209.36/5,431.49
  6. Step 6: Final answer
    x = 6,937.55

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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.