Home / 4,305.15-6,457.56-1,227.15

Finding the Fourth Proportional to 4,305.15, 6,457.56 and 1,227.15

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Solution

The fourth proportional to 4,305.15, 6,457.56 and 1,227.15 is: 1,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.15 : 6,457.56 = 1,227.15 : x
  2. Step 2: Convert to fraction form
    4,305.15/6,457.56 = 1,227.15/x
  3. Step 3: Cross multiply
    4,305.15x = 6,457.56 × 1,227.15
  4. Step 4: Simplify right side
    4,305.15x = 7,924,394.75
  5. Step 5: Solve for x
    x = 7,924,394.75/4,305.15
  6. Step 6: Final answer
    x = 1,840.68

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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.