Home / 7,279.52-10,912.24-2,345.81

Finding the Fourth Proportional to 7,279.52, 10,912.24 and 2,345.81

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Solution

The fourth proportional to 7,279.52, 10,912.24 and 2,345.81 is: 3,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.52 : 10,912.24 = 2,345.81 : x
  2. Step 2: Convert to fraction form
    7,279.52/10,912.24 = 2,345.81/x
  3. Step 3: Cross multiply
    7,279.52x = 10,912.24 × 2,345.81
  4. Step 4: Simplify right side
    7,279.52x = 25,598,041.71
  5. Step 5: Solve for x
    x = 25,598,041.71/7,279.52
  6. Step 6: Final answer
    x = 3,516.45

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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.