Home / 6,666.46-9,199.74-4,013.92

Finding the Fourth Proportional to 6,666.46, 9,199.74 and 4,013.92

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Solution

The fourth proportional to 6,666.46, 9,199.74 and 4,013.92 is: 5,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.46 : 9,199.74 = 4,013.92 : x
  2. Step 2: Convert to fraction form
    6,666.46/9,199.74 = 4,013.92/x
  3. Step 3: Cross multiply
    6,666.46x = 9,199.74 × 4,013.92
  4. Step 4: Simplify right side
    6,666.46x = 36,927,020.38
  5. Step 5: Solve for x
    x = 36,927,020.38/6,666.46
  6. Step 6: Final answer
    x = 5,539.22

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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.