Home / 7,225.81-10,839.32-2,545.32

Finding the Fourth Proportional to 7,225.81, 10,839.32 and 2,545.32

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Solution

The fourth proportional to 7,225.81, 10,839.32 and 2,545.32 is: 3,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.81 : 10,839.32 = 2,545.32 : x
  2. Step 2: Convert to fraction form
    7,225.81/10,839.32 = 2,545.32/x
  3. Step 3: Cross multiply
    7,225.81x = 10,839.32 × 2,545.32
  4. Step 4: Simplify right side
    7,225.81x = 27,589,575.45
  5. Step 5: Solve for x
    x = 27,589,575.45/7,225.81
  6. Step 6: Final answer
    x = 3,818.20

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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.