Home / 5,407.88-8,058.80-5,231.70

Finding the Fourth Proportional to 5,407.88, 8,058.80 and 5,231.70

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Solution

The fourth proportional to 5,407.88, 8,058.80 and 5,231.70 is: 7,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.88 : 8,058.80 = 5,231.70 : x
  2. Step 2: Convert to fraction form
    5,407.88/8,058.80 = 5,231.70/x
  3. Step 3: Cross multiply
    5,407.88x = 8,058.80 × 5,231.70
  4. Step 4: Simplify right side
    5,407.88x = 42,161,223.96
  5. Step 5: Solve for x
    x = 42,161,223.96/5,407.88
  6. Step 6: Final answer
    x = 7,796.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.