Home / 7,360.27-11,039.47-2,428.70

Finding the Fourth Proportional to 7,360.27, 11,039.47 and 2,428.70

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Solution

The fourth proportional to 7,360.27, 11,039.47 and 2,428.70 is: 3,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.27 : 11,039.47 = 2,428.70 : x
  2. Step 2: Convert to fraction form
    7,360.27/11,039.47 = 2,428.70/x
  3. Step 3: Cross multiply
    7,360.27x = 11,039.47 × 2,428.70
  4. Step 4: Simplify right side
    7,360.27x = 26,811,499.52
  5. Step 5: Solve for x
    x = 26,811,499.52/7,360.27
  6. Step 6: Final answer
    x = 3,642.73

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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.