Home / 9,175.55-13,758.86-4,490.07

Finding the Fourth Proportional to 9,175.55, 13,758.86 and 4,490.07

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Solution

The fourth proportional to 9,175.55, 13,758.86 and 4,490.07 is: 6,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.55 : 13,758.86 = 4,490.07 : x
  2. Step 2: Convert to fraction form
    9,175.55/13,758.86 = 4,490.07/x
  3. Step 3: Cross multiply
    9,175.55x = 13,758.86 × 4,490.07
  4. Step 4: Simplify right side
    9,175.55x = 61,778,244.52
  5. Step 5: Solve for x
    x = 61,778,244.52/9,175.55
  6. Step 6: Final answer
    x = 6,732.92

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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.