Home / 6,531.21-9,013.12-3,547.06

Finding the Fourth Proportional to 6,531.21, 9,013.12 and 3,547.06

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Solution

The fourth proportional to 6,531.21, 9,013.12 and 3,547.06 is: 4,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.21 : 9,013.12 = 3,547.06 : x
  2. Step 2: Convert to fraction form
    6,531.21/9,013.12 = 3,547.06/x
  3. Step 3: Cross multiply
    6,531.21x = 9,013.12 × 3,547.06
  4. Step 4: Simplify right side
    6,531.21x = 31,970,077.43
  5. Step 5: Solve for x
    x = 31,970,077.43/6,531.21
  6. Step 6: Final answer
    x = 4,894.97

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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.