Home / 4,888.68-7,332.42-1,425.90

Finding the Fourth Proportional to 4,888.68, 7,332.42 and 1,425.90

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Solution

The fourth proportional to 4,888.68, 7,332.42 and 1,425.90 is: 2,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.68 : 7,332.42 = 1,425.90 : x
  2. Step 2: Convert to fraction form
    4,888.68/7,332.42 = 1,425.90/x
  3. Step 3: Cross multiply
    4,888.68x = 7,332.42 × 1,425.90
  4. Step 4: Simplify right side
    4,888.68x = 10,455,297.68
  5. Step 5: Solve for x
    x = 10,455,297.68/4,888.68
  6. Step 6: Final answer
    x = 2,138.67

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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.