Home / 6,547.97-9,818.45-3,420.43

Finding the Fourth Proportional to 6,547.97, 9,818.45 and 3,420.43

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Solution

The fourth proportional to 6,547.97, 9,818.45 and 3,420.43 is: 5,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.97 : 9,818.45 = 3,420.43 : x
  2. Step 2: Convert to fraction form
    6,547.97/9,818.45 = 3,420.43/x
  3. Step 3: Cross multiply
    6,547.97x = 9,818.45 × 3,420.43
  4. Step 4: Simplify right side
    6,547.97x = 33,583,292.11
  5. Step 5: Solve for x
    x = 33,583,292.11/6,547.97
  6. Step 6: Final answer
    x = 5,128.81

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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.