Home / 4,574.06-6,860.48-1,287.43

Finding the Fourth Proportional to 4,574.06, 6,860.48 and 1,287.43

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Solution

The fourth proportional to 4,574.06, 6,860.48 and 1,287.43 is: 1,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.06 : 6,860.48 = 1,287.43 : x
  2. Step 2: Convert to fraction form
    4,574.06/6,860.48 = 1,287.43/x
  3. Step 3: Cross multiply
    4,574.06x = 6,860.48 × 1,287.43
  4. Step 4: Simplify right side
    4,574.06x = 8,832,377.04
  5. Step 5: Solve for x
    x = 8,832,377.04/4,574.06
  6. Step 6: Final answer
    x = 1,930.97

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Half scale
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Double scale
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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.