Home / 5,277.10-7,908.45-4,305.10

Finding the Fourth Proportional to 5,277.10, 7,908.45 and 4,305.10

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Solution

The fourth proportional to 5,277.10, 7,908.45 and 4,305.10 is: 6,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.10 : 7,908.45 = 4,305.10 : x
  2. Step 2: Convert to fraction form
    5,277.10/7,908.45 = 4,305.10/x
  3. Step 3: Cross multiply
    5,277.10x = 7,908.45 × 4,305.10
  4. Step 4: Simplify right side
    5,277.10x = 34,046,668.10
  5. Step 5: Solve for x
    x = 34,046,668.10/5,277.10
  6. Step 6: Final answer
    x = 6,451.78

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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.