Home / 6,631.02-9,141.24-4,389.15

Finding the Fourth Proportional to 6,631.02, 9,141.24 and 4,389.15

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Solution

The fourth proportional to 6,631.02, 9,141.24 and 4,389.15 is: 6,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.02 : 9,141.24 = 4,389.15 : x
  2. Step 2: Convert to fraction form
    6,631.02/9,141.24 = 4,389.15/x
  3. Step 3: Cross multiply
    6,631.02x = 9,141.24 × 4,389.15
  4. Step 4: Simplify right side
    6,631.02x = 40,122,273.55
  5. Step 5: Solve for x
    x = 40,122,273.55/6,631.02
  6. Step 6: Final answer
    x = 6,050.69

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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.