Home / 5,107.08-7,661.52-1,775.76

Finding the Fourth Proportional to 5,107.08, 7,661.52 and 1,775.76

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Solution

The fourth proportional to 5,107.08, 7,661.52 and 1,775.76 is: 2,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.08 : 7,661.52 = 1,775.76 : x
  2. Step 2: Convert to fraction form
    5,107.08/7,661.52 = 1,775.76/x
  3. Step 3: Cross multiply
    5,107.08x = 7,661.52 × 1,775.76
  4. Step 4: Simplify right side
    5,107.08x = 13,605,020.76
  5. Step 5: Solve for x
    x = 13,605,020.76/5,107.08
  6. Step 6: Final answer
    x = 2,663.95

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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.