Home / 4,321-6,469.98-3,543.40

Finding the Fourth Proportional to 4,321, 6,469.98 and 3,543.40

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Solution

The fourth proportional to 4,321, 6,469.98 and 3,543.40 is: 5,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321 : 6,469.98 = 3,543.40 : x
  2. Step 2: Convert to fraction form
    4,321/6,469.98 = 3,543.40/x
  3. Step 3: Cross multiply
    4,321x = 6,469.98 × 3,543.40
  4. Step 4: Simplify right side
    4,321x = 22,925,727.13
  5. Step 5: Solve for x
    x = 22,925,727.13/4,321
  6. Step 6: Final answer
    x = 5,305.65

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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.