Home / 7,422.64-10,242.90-4,440.11

Finding the Fourth Proportional to 7,422.64, 10,242.90 and 4,440.11

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Solution

The fourth proportional to 7,422.64, 10,242.90 and 4,440.11 is: 6,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.64 : 10,242.90 = 4,440.11 : x
  2. Step 2: Convert to fraction form
    7,422.64/10,242.90 = 4,440.11/x
  3. Step 3: Cross multiply
    7,422.64x = 10,242.90 × 4,440.11
  4. Step 4: Simplify right side
    7,422.64x = 45,479,551.50
  5. Step 5: Solve for x
    x = 45,479,551.50/7,422.64
  6. Step 6: Final answer
    x = 6,127.14

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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.