Home / 8,316.50-12,464.30-4,157.66

Finding the Fourth Proportional to 8,316.50, 12,464.30 and 4,157.66

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Solution

The fourth proportional to 8,316.50, 12,464.30 and 4,157.66 is: 6,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.50 : 12,464.30 = 4,157.66 : x
  2. Step 2: Convert to fraction form
    8,316.50/12,464.30 = 4,157.66/x
  3. Step 3: Cross multiply
    8,316.50x = 12,464.30 × 4,157.66
  4. Step 4: Simplify right side
    8,316.50x = 51,822,300.75
  5. Step 5: Solve for x
    x = 51,822,300.75/8,316.50
  6. Step 6: Final answer
    x = 6,231.27

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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.