Home / 8,368.41-12,549.45-2,820.27

Finding the Fourth Proportional to 8,368.41, 12,549.45 and 2,820.27

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Solution

The fourth proportional to 8,368.41, 12,549.45 and 2,820.27 is: 4,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.41 : 12,549.45 = 2,820.27 : x
  2. Step 2: Convert to fraction form
    8,368.41/12,549.45 = 2,820.27/x
  3. Step 3: Cross multiply
    8,368.41x = 12,549.45 × 2,820.27
  4. Step 4: Simplify right side
    8,368.41x = 35,392,837.35
  5. Step 5: Solve for x
    x = 35,392,837.35/8,368.41
  6. Step 6: Final answer
    x = 4,229.34

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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.