Home / 5,818.01-8,728.38-4,186.88

Finding the Fourth Proportional to 5,818.01, 8,728.38 and 4,186.88

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Solution

The fourth proportional to 5,818.01, 8,728.38 and 4,186.88 is: 6,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.01 : 8,728.38 = 4,186.88 : x
  2. Step 2: Convert to fraction form
    5,818.01/8,728.38 = 4,186.88/x
  3. Step 3: Cross multiply
    5,818.01x = 8,728.38 × 4,186.88
  4. Step 4: Simplify right side
    5,818.01x = 36,544,636.01
  5. Step 5: Solve for x
    x = 36,544,636.01/5,818.01
  6. Step 6: Final answer
    x = 6,281.30

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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.