Home / 8,739.57-13,111.40-2,499.66

Finding the Fourth Proportional to 8,739.57, 13,111.40 and 2,499.66

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Solution

The fourth proportional to 8,739.57, 13,111.40 and 2,499.66 is: 3,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.57 : 13,111.40 = 2,499.66 : x
  2. Step 2: Convert to fraction form
    8,739.57/13,111.40 = 2,499.66/x
  3. Step 3: Cross multiply
    8,739.57x = 13,111.40 × 2,499.66
  4. Step 4: Simplify right side
    8,739.57x = 32,774,029.63
  5. Step 5: Solve for x
    x = 32,774,029.63/8,739.57
  6. Step 6: Final answer
    x = 3,750.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.