Home / 6,665.57-9,999.38-2,281.98

Finding the Fourth Proportional to 6,665.57, 9,999.38 and 2,281.98

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Solution

The fourth proportional to 6,665.57, 9,999.38 and 2,281.98 is: 3,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.57 : 9,999.38 = 2,281.98 : x
  2. Step 2: Convert to fraction form
    6,665.57/9,999.38 = 2,281.98/x
  3. Step 3: Cross multiply
    6,665.57x = 9,999.38 × 2,281.98
  4. Step 4: Simplify right side
    6,665.57x = 22,818,428.38
  5. Step 5: Solve for x
    x = 22,818,428.38/6,665.57
  6. Step 6: Final answer
    x = 3,423.33

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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.