Home / 5,760.21-8,642.07-2,988.87

Finding the Fourth Proportional to 5,760.21, 8,642.07 and 2,988.87

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Solution

The fourth proportional to 5,760.21, 8,642.07 and 2,988.87 is: 4,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.21 : 8,642.07 = 2,988.87 : x
  2. Step 2: Convert to fraction form
    5,760.21/8,642.07 = 2,988.87/x
  3. Step 3: Cross multiply
    5,760.21x = 8,642.07 × 2,988.87
  4. Step 4: Simplify right side
    5,760.21x = 25,830,023.76
  5. Step 5: Solve for x
    x = 25,830,023.76/5,760.21
  6. Step 6: Final answer
    x = 4,484.22

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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.