Home / 4,753.57-7,130.36-1,290.82

Finding the Fourth Proportional to 4,753.57, 7,130.36 and 1,290.82

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Solution

The fourth proportional to 4,753.57, 7,130.36 and 1,290.82 is: 1,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.57 : 7,130.36 = 1,290.82 : x
  2. Step 2: Convert to fraction form
    4,753.57/7,130.36 = 1,290.82/x
  3. Step 3: Cross multiply
    4,753.57x = 7,130.36 × 1,290.82
  4. Step 4: Simplify right side
    4,753.57x = 9,204,011.30
  5. Step 5: Solve for x
    x = 9,204,011.30/4,753.57
  6. Step 6: Final answer
    x = 1,936.23

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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.