Home / 8,739.96-12,060.79-4,761.07

Finding the Fourth Proportional to 8,739.96, 12,060.79 and 4,761.07

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Solution

The fourth proportional to 8,739.96, 12,060.79 and 4,761.07 is: 6,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.96 : 12,060.79 = 4,761.07 : x
  2. Step 2: Convert to fraction form
    8,739.96/12,060.79 = 4,761.07/x
  3. Step 3: Cross multiply
    8,739.96x = 12,060.79 × 4,761.07
  4. Step 4: Simplify right side
    8,739.96x = 57,422,265.45
  5. Step 5: Solve for x
    x = 57,422,265.45/8,739.96
  6. Step 6: Final answer
    x = 6,570.08

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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.