Home / 8,964.16-12,376.70-5,608.60

Finding the Fourth Proportional to 8,964.16, 12,376.70 and 5,608.60

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Solution

The fourth proportional to 8,964.16, 12,376.70 and 5,608.60 is: 7,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.16 : 12,376.70 = 5,608.60 : x
  2. Step 2: Convert to fraction form
    8,964.16/12,376.70 = 5,608.60/x
  3. Step 3: Cross multiply
    8,964.16x = 12,376.70 × 5,608.60
  4. Step 4: Simplify right side
    8,964.16x = 69,415,959.62
  5. Step 5: Solve for x
    x = 69,415,959.62/8,964.16
  6. Step 6: Final answer
    x = 7,743.72

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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.