Home / 7,423.12-11,136.16-3,040.96

Finding the Fourth Proportional to 7,423.12, 11,136.16 and 3,040.96

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Solution

The fourth proportional to 7,423.12, 11,136.16 and 3,040.96 is: 4,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.12 : 11,136.16 = 3,040.96 : x
  2. Step 2: Convert to fraction form
    7,423.12/11,136.16 = 3,040.96/x
  3. Step 3: Cross multiply
    7,423.12x = 11,136.16 × 3,040.96
  4. Step 4: Simplify right side
    7,423.12x = 33,864,617.11
  5. Step 5: Solve for x
    x = 33,864,617.11/7,423.12
  6. Step 6: Final answer
    x = 4,562.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.