Home / 4,759.66-7,139.28-1,296.91

Finding the Fourth Proportional to 4,759.66, 7,139.28 and 1,296.91

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Solution

The fourth proportional to 4,759.66, 7,139.28 and 1,296.91 is: 1,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.66 : 7,139.28 = 1,296.91 : x
  2. Step 2: Convert to fraction form
    4,759.66/7,139.28 = 1,296.91/x
  3. Step 3: Cross multiply
    4,759.66x = 7,139.28 × 1,296.91
  4. Step 4: Simplify right side
    4,759.66x = 9,258,967.93
  5. Step 5: Solve for x
    x = 9,258,967.93/4,759.66
  6. Step 6: Final answer
    x = 1,945.30

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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.