Home / 8,659.19-12,987.50-2,418.54

Finding the Fourth Proportional to 8,659.19, 12,987.50 and 2,418.54

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Solution

The fourth proportional to 8,659.19, 12,987.50 and 2,418.54 is: 3,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.19 : 12,987.50 = 2,418.54 : x
  2. Step 2: Convert to fraction form
    8,659.19/12,987.50 = 2,418.54/x
  3. Step 3: Cross multiply
    8,659.19x = 12,987.50 × 2,418.54
  4. Step 4: Simplify right side
    8,659.19x = 31,410,776.16
  5. Step 5: Solve for x
    x = 31,410,776.16/8,659.19
  6. Step 6: Final answer
    x = 3,627.45

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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.