Home / 7,423.11-10,243.89-4,065.93

Finding the Fourth Proportional to 7,423.11, 10,243.89 and 4,065.93

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Solution

The fourth proportional to 7,423.11, 10,243.89 and 4,065.93 is: 5,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.11 : 10,243.89 = 4,065.93 : x
  2. Step 2: Convert to fraction form
    7,423.11/10,243.89 = 4,065.93/x
  3. Step 3: Cross multiply
    7,423.11x = 10,243.89 × 4,065.93
  4. Step 4: Simplify right side
    7,423.11x = 41,650,939.67
  5. Step 5: Solve for x
    x = 41,650,939.67/7,423.11
  6. Step 6: Final answer
    x = 5,610.98

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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.