Home / 5,718.80-8,580.60-4,270.52

Finding the Fourth Proportional to 5,718.80, 8,580.60 and 4,270.52

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Solution

The fourth proportional to 5,718.80, 8,580.60 and 4,270.52 is: 6,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.80 : 8,580.60 = 4,270.52 : x
  2. Step 2: Convert to fraction form
    5,718.80/8,580.60 = 4,270.52/x
  3. Step 3: Cross multiply
    5,718.80x = 8,580.60 × 4,270.52
  4. Step 4: Simplify right side
    5,718.80x = 36,643,623.91
  5. Step 5: Solve for x
    x = 36,643,623.91/5,718.80
  6. Step 6: Final answer
    x = 6,407.57

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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.