Home / 6,317.12-8,717.42-3,445.74

Finding the Fourth Proportional to 6,317.12, 8,717.42 and 3,445.74

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Solution

The fourth proportional to 6,317.12, 8,717.42 and 3,445.74 is: 4,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.12 : 8,717.42 = 3,445.74 : x
  2. Step 2: Convert to fraction form
    6,317.12/8,717.42 = 3,445.74/x
  3. Step 3: Cross multiply
    6,317.12x = 8,717.42 × 3,445.74
  4. Step 4: Simplify right side
    6,317.12x = 30,037,945.56
  5. Step 5: Solve for x
    x = 30,037,945.56/6,317.12
  6. Step 6: Final answer
    x = 4,755.01

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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.