Home / 7,431.13-10,254.36-4,073.88

Finding the Fourth Proportional to 7,431.13, 10,254.36 and 4,073.88

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Solution

The fourth proportional to 7,431.13, 10,254.36 and 4,073.88 is: 5,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.13 : 10,254.36 = 4,073.88 : x
  2. Step 2: Convert to fraction form
    7,431.13/10,254.36 = 4,073.88/x
  3. Step 3: Cross multiply
    7,431.13x = 10,254.36 × 4,073.88
  4. Step 4: Simplify right side
    7,431.13x = 41,775,032.12
  5. Step 5: Solve for x
    x = 41,775,032.12/7,431.13
  6. Step 6: Final answer
    x = 5,621.63

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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.