Home / 5,159.30-7,738.97-1,263.71

Finding the Fourth Proportional to 5,159.30, 7,738.97 and 1,263.71

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Solution

The fourth proportional to 5,159.30, 7,738.97 and 1,263.71 is: 1,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.30 : 7,738.97 = 1,263.71 : x
  2. Step 2: Convert to fraction form
    5,159.30/7,738.97 = 1,263.71/x
  3. Step 3: Cross multiply
    5,159.30x = 7,738.97 × 1,263.71
  4. Step 4: Simplify right side
    5,159.30x = 9,779,813.78
  5. Step 5: Solve for x
    x = 9,779,813.78/5,159.30
  6. Step 6: Final answer
    x = 1,895.57

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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.