Home / 8,543.32-12,810.86-2,995.90

Finding the Fourth Proportional to 8,543.32, 12,810.86 and 2,995.90

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Solution

The fourth proportional to 8,543.32, 12,810.86 and 2,995.90 is: 4,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.32 : 12,810.86 = 2,995.90 : x
  2. Step 2: Convert to fraction form
    8,543.32/12,810.86 = 2,995.90/x
  3. Step 3: Cross multiply
    8,543.32x = 12,810.86 × 2,995.90
  4. Step 4: Simplify right side
    8,543.32x = 38,380,055.47
  5. Step 5: Solve for x
    x = 38,380,055.47/8,543.32
  6. Step 6: Final answer
    x = 4,492.41

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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.