Home / 8,058.30-11,120.57-4,871.15

Finding the Fourth Proportional to 8,058.30, 11,120.57 and 4,871.15

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Solution

The fourth proportional to 8,058.30, 11,120.57 and 4,871.15 is: 6,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.30 : 11,120.57 = 4,871.15 : x
  2. Step 2: Convert to fraction form
    8,058.30/11,120.57 = 4,871.15/x
  3. Step 3: Cross multiply
    8,058.30x = 11,120.57 × 4,871.15
  4. Step 4: Simplify right side
    8,058.30x = 54,169,884.60
  5. Step 5: Solve for x
    x = 54,169,884.60/8,058.30
  6. Step 6: Final answer
    x = 6,722.25

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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.