Home / 4,976.91-7,465.36-1,279.14

Finding the Fourth Proportional to 4,976.91, 7,465.36 and 1,279.14

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Solution

The fourth proportional to 4,976.91, 7,465.36 and 1,279.14 is: 1,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.91 : 7,465.36 = 1,279.14 : x
  2. Step 2: Convert to fraction form
    4,976.91/7,465.36 = 1,279.14/x
  3. Step 3: Cross multiply
    4,976.91x = 7,465.36 × 1,279.14
  4. Step 4: Simplify right side
    4,976.91x = 9,549,196.87
  5. Step 5: Solve for x
    x = 9,549,196.87/4,976.91
  6. Step 6: Final answer
    x = 1,918.70

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Similar ratio
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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.