Home / 4,231.50-6,345.86-1,458.12

Finding the Fourth Proportional to 4,231.50, 6,345.86 and 1,458.12

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Solution

The fourth proportional to 4,231.50, 6,345.86 and 1,458.12 is: 2,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.50 : 6,345.86 = 1,458.12 : x
  2. Step 2: Convert to fraction form
    4,231.50/6,345.86 = 1,458.12/x
  3. Step 3: Cross multiply
    4,231.50x = 6,345.86 × 1,458.12
  4. Step 4: Simplify right side
    4,231.50x = 9,253,025.38
  5. Step 5: Solve for x
    x = 9,253,025.38/4,231.50
  6. Step 6: Final answer
    x = 2,186.70

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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.