Home / 5,818.75-8,728.28-1,658.83

Finding the Fourth Proportional to 5,818.75, 8,728.28 and 1,658.83

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Solution

The fourth proportional to 5,818.75, 8,728.28 and 1,658.83 is: 2,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.75 : 8,728.28 = 1,658.83 : x
  2. Step 2: Convert to fraction form
    5,818.75/8,728.28 = 1,658.83/x
  3. Step 3: Cross multiply
    5,818.75x = 8,728.28 × 1,658.83
  4. Step 4: Simplify right side
    5,818.75x = 14,478,680.78
  5. Step 5: Solve for x
    x = 14,478,680.78/5,818.75
  6. Step 6: Final answer
    x = 2,488.28

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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.