Home / 8,659.19-11,949.74-4,680.30

Finding the Fourth Proportional to 8,659.19, 11,949.74 and 4,680.30

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Solution

The fourth proportional to 8,659.19, 11,949.74 and 4,680.30 is: 6,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.19 : 11,949.74 = 4,680.30 : x
  2. Step 2: Convert to fraction form
    8,659.19/11,949.74 = 4,680.30/x
  3. Step 3: Cross multiply
    8,659.19x = 11,949.74 × 4,680.30
  4. Step 4: Simplify right side
    8,659.19x = 55,928,368.12
  5. Step 5: Solve for x
    x = 55,928,368.12/8,659.19
  6. Step 6: Final answer
    x = 6,458.85

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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.