Home / 7,551.19-10,401.10-5,278.51

Finding the Fourth Proportional to 7,551.19, 10,401.10 and 5,278.51

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Solution

The fourth proportional to 7,551.19, 10,401.10 and 5,278.51 is: 7,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.19 : 10,401.10 = 5,278.51 : x
  2. Step 2: Convert to fraction form
    7,551.19/10,401.10 = 5,278.51/x
  3. Step 3: Cross multiply
    7,551.19x = 10,401.10 × 5,278.51
  4. Step 4: Simplify right side
    7,551.19x = 54,902,310.36
  5. Step 5: Solve for x
    x = 54,902,310.36/7,551.19
  6. Step 6: Final answer
    x = 7,270.68

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.