Home / 5,718.88-8,570.67-2,427.85

Finding the Fourth Proportional to 5,718.88, 8,570.67 and 2,427.85

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Solution

The fourth proportional to 5,718.88, 8,570.67 and 2,427.85 is: 3,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.88 : 8,570.67 = 2,427.85 : x
  2. Step 2: Convert to fraction form
    5,718.88/8,570.67 = 2,427.85/x
  3. Step 3: Cross multiply
    5,718.88x = 8,570.67 × 2,427.85
  4. Step 4: Simplify right side
    5,718.88x = 20,808,301.16
  5. Step 5: Solve for x
    x = 20,808,301.16/5,718.88
  6. Step 6: Final answer
    x = 3,638.53

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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.