Home / 4,577.65-6,866.48-1,290.76

Finding the Fourth Proportional to 4,577.65, 6,866.48 and 1,290.76

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Solution

The fourth proportional to 4,577.65, 6,866.48 and 1,290.76 is: 1,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.65 : 6,866.48 = 1,290.76 : x
  2. Step 2: Convert to fraction form
    4,577.65/6,866.48 = 1,290.76/x
  3. Step 3: Cross multiply
    4,577.65x = 6,866.48 × 1,290.76
  4. Step 4: Simplify right side
    4,577.65x = 8,862,963.79
  5. Step 5: Solve for x
    x = 8,862,963.79/4,577.65
  6. Step 6: Final answer
    x = 1,936.14

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Double scale
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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.