Home / 5,282.12-7,923.42-1,386.92

Finding the Fourth Proportional to 5,282.12, 7,923.42 and 1,386.92

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Solution

The fourth proportional to 5,282.12, 7,923.42 and 1,386.92 is: 2,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.12 : 7,923.42 = 1,386.92 : x
  2. Step 2: Convert to fraction form
    5,282.12/7,923.42 = 1,386.92/x
  3. Step 3: Cross multiply
    5,282.12x = 7,923.42 × 1,386.92
  4. Step 4: Simplify right side
    5,282.12x = 10,989,149.67
  5. Step 5: Solve for x
    x = 10,989,149.67/5,282.12
  6. Step 6: Final answer
    x = 2,080.44

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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.