Home / 4,316.89-6,474-1,543.18

Finding the Fourth Proportional to 4,316.89, 6,474 and 1,543.18

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Solution

The fourth proportional to 4,316.89, 6,474 and 1,543.18 is: 2,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.89 : 6,474 = 1,543.18 : x
  2. Step 2: Convert to fraction form
    4,316.89/6,474 = 1,543.18/x
  3. Step 3: Cross multiply
    4,316.89x = 6,474 × 1,543.18
  4. Step 4: Simplify right side
    4,316.89x = 9,990,547.32
  5. Step 5: Solve for x
    x = 9,990,547.32/4,316.89
  6. Step 6: Final answer
    x = 2,314.29

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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.