Home / 8,346.51-12,517.20-2,798.28

Finding the Fourth Proportional to 8,346.51, 12,517.20 and 2,798.28

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Solution

The fourth proportional to 8,346.51, 12,517.20 and 2,798.28 is: 4,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.51 : 12,517.20 = 2,798.28 : x
  2. Step 2: Convert to fraction form
    8,346.51/12,517.20 = 2,798.28/x
  3. Step 3: Cross multiply
    8,346.51x = 12,517.20 × 2,798.28
  4. Step 4: Simplify right side
    8,346.51x = 35,026,630.42
  5. Step 5: Solve for x
    x = 35,026,630.42/8,346.51
  6. Step 6: Final answer
    x = 4,196.56

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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.