Home / 4,318.77-6,478.22-1,357.12

Finding the Fourth Proportional to 4,318.77, 6,478.22 and 1,357.12

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Solution

The fourth proportional to 4,318.77, 6,478.22 and 1,357.12 is: 2,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.77 : 6,478.22 = 1,357.12 : x
  2. Step 2: Convert to fraction form
    4,318.77/6,478.22 = 1,357.12/x
  3. Step 3: Cross multiply
    4,318.77x = 6,478.22 × 1,357.12
  4. Step 4: Simplify right side
    4,318.77x = 8,791,709.12
  5. Step 5: Solve for x
    x = 8,791,709.12/4,318.77
  6. Step 6: Final answer
    x = 2,035.70

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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.