Home / 7,626.48-11,439.74-5,010.51

Finding the Fourth Proportional to 7,626.48, 11,439.74 and 5,010.51

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Solution

The fourth proportional to 7,626.48, 11,439.74 and 5,010.51 is: 7,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.48 : 11,439.74 = 5,010.51 : x
  2. Step 2: Convert to fraction form
    7,626.48/11,439.74 = 5,010.51/x
  3. Step 3: Cross multiply
    7,626.48x = 11,439.74 × 5,010.51
  4. Step 4: Simplify right side
    7,626.48x = 57,318,931.67
  5. Step 5: Solve for x
    x = 57,318,931.67/7,626.48
  6. Step 6: Final answer
    x = 7,515.78

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Half scale
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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.