Home / 8,820.30-12,171.96-4,841.40

Finding the Fourth Proportional to 8,820.30, 12,171.96 and 4,841.40

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Solution

The fourth proportional to 8,820.30, 12,171.96 and 4,841.40 is: 6,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.30 : 12,171.96 = 4,841.40 : x
  2. Step 2: Convert to fraction form
    8,820.30/12,171.96 = 4,841.40/x
  3. Step 3: Cross multiply
    8,820.30x = 12,171.96 × 4,841.40
  4. Step 4: Simplify right side
    8,820.30x = 58,929,327.14
  5. Step 5: Solve for x
    x = 58,929,327.14/8,820.30
  6. Step 6: Final answer
    x = 6,681.10

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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.