Home / 7,490.67-11,236.27-2,810.20

Finding the Fourth Proportional to 7,490.67, 11,236.27 and 2,810.20

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Solution

The fourth proportional to 7,490.67, 11,236.27 and 2,810.20 is: 4,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.67 : 11,236.27 = 2,810.20 : x
  2. Step 2: Convert to fraction form
    7,490.67/11,236.27 = 2,810.20/x
  3. Step 3: Cross multiply
    7,490.67x = 11,236.27 × 2,810.20
  4. Step 4: Simplify right side
    7,490.67x = 31,576,165.95
  5. Step 5: Solve for x
    x = 31,576,165.95/7,490.67
  6. Step 6: Final answer
    x = 4,215.40

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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.