Home / 8,739.22-12,058.06-4,961.53

Finding the Fourth Proportional to 8,739.22, 12,058.06 and 4,961.53

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Solution

The fourth proportional to 8,739.22, 12,058.06 and 4,961.53 is: 6,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.22 : 12,058.06 = 4,961.53 : x
  2. Step 2: Convert to fraction form
    8,739.22/12,058.06 = 4,961.53/x
  3. Step 3: Cross multiply
    8,739.22x = 12,058.06 × 4,961.53
  4. Step 4: Simplify right side
    8,739.22x = 59,826,426.43
  5. Step 5: Solve for x
    x = 59,826,426.43/8,739.22
  6. Step 6: Final answer
    x = 6,845.74

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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.