Home / 7,423.31-10,243.87-4,440.80

Finding the Fourth Proportional to 7,423.31, 10,243.87 and 4,440.80

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Solution

The fourth proportional to 7,423.31, 10,243.87 and 4,440.80 is: 6,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.31 : 10,243.87 = 4,440.80 : x
  2. Step 2: Convert to fraction form
    7,423.31/10,243.87 = 4,440.80/x
  3. Step 3: Cross multiply
    7,423.31x = 10,243.87 × 4,440.80
  4. Step 4: Simplify right side
    7,423.31x = 45,490,932.23
  5. Step 5: Solve for x
    x = 45,490,932.23/7,423.31
  6. Step 6: Final answer
    x = 6,128.12

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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.