Home / 5,324.13-7,987.28-1,860.93

Finding the Fourth Proportional to 5,324.13, 7,987.28 and 1,860.93

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Solution

The fourth proportional to 5,324.13, 7,987.28 and 1,860.93 is: 2,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.13 : 7,987.28 = 1,860.93 : x
  2. Step 2: Convert to fraction form
    5,324.13/7,987.28 = 1,860.93/x
  3. Step 3: Cross multiply
    5,324.13x = 7,987.28 × 1,860.93
  4. Step 4: Simplify right side
    5,324.13x = 14,863,759.67
  5. Step 5: Solve for x
    x = 14,863,759.67/5,324.13
  6. Step 6: Final answer
    x = 2,791.77

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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.