Home / 7,296.78-10,058.40-5,722.14

Finding the Fourth Proportional to 7,296.78, 10,058.40 and 5,722.14

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Solution

The fourth proportional to 7,296.78, 10,058.40 and 5,722.14 is: 7,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.78 : 10,058.40 = 5,722.14 : x
  2. Step 2: Convert to fraction form
    7,296.78/10,058.40 = 5,722.14/x
  3. Step 3: Cross multiply
    7,296.78x = 10,058.40 × 5,722.14
  4. Step 4: Simplify right side
    7,296.78x = 57,555,572.98
  5. Step 5: Solve for x
    x = 57,555,572.98/7,296.78
  6. Step 6: Final answer
    x = 7,887.80

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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.