Home / 7,500.19-11,239.81-3,549.93

Finding the Fourth Proportional to 7,500.19, 11,239.81 and 3,549.93

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Solution

The fourth proportional to 7,500.19, 11,239.81 and 3,549.93 is: 5,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.19 : 11,239.81 = 3,549.93 : x
  2. Step 2: Convert to fraction form
    7,500.19/11,239.81 = 3,549.93/x
  3. Step 3: Cross multiply
    7,500.19x = 11,239.81 × 3,549.93
  4. Step 4: Simplify right side
    7,500.19x = 39,900,538.71
  5. Step 5: Solve for x
    x = 39,900,538.71/7,500.19
  6. Step 6: Final answer
    x = 5,319.94

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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.