Home / 6,276.15-8,657.46-5,207.81

Finding the Fourth Proportional to 6,276.15, 8,657.46 and 5,207.81

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Solution

The fourth proportional to 6,276.15, 8,657.46 and 5,207.81 is: 7,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.15 : 8,657.46 = 5,207.81 : x
  2. Step 2: Convert to fraction form
    6,276.15/8,657.46 = 5,207.81/x
  3. Step 3: Cross multiply
    6,276.15x = 8,657.46 × 5,207.81
  4. Step 4: Simplify right side
    6,276.15x = 45,086,363.48
  5. Step 5: Solve for x
    x = 45,086,363.48/6,276.15
  6. Step 6: Final answer
    x = 7,183.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.