Home / 9,219.27-12,723.67-5,240.98

Finding the Fourth Proportional to 9,219.27, 12,723.67 and 5,240.98

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Solution

The fourth proportional to 9,219.27, 12,723.67 and 5,240.98 is: 7,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.27 : 12,723.67 = 5,240.98 : x
  2. Step 2: Convert to fraction form
    9,219.27/12,723.67 = 5,240.98/x
  3. Step 3: Cross multiply
    9,219.27x = 12,723.67 × 5,240.98
  4. Step 4: Simplify right side
    9,219.27x = 66,684,479.30
  5. Step 5: Solve for x
    x = 66,684,479.30/9,219.27
  6. Step 6: Final answer
    x = 7,233.16

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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.