Home / 6,531.40-9,013.06-3,547.08

Finding the Fourth Proportional to 6,531.40, 9,013.06 and 3,547.08

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Solution

The fourth proportional to 6,531.40, 9,013.06 and 3,547.08 is: 4,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.40 : 9,013.06 = 3,547.08 : x
  2. Step 2: Convert to fraction form
    6,531.40/9,013.06 = 3,547.08/x
  3. Step 3: Cross multiply
    6,531.40x = 9,013.06 × 3,547.08
  4. Step 4: Simplify right side
    6,531.40x = 31,970,044.86
  5. Step 5: Solve for x
    x = 31,970,044.86/6,531.40
  6. Step 6: Final answer
    x = 4,894.82

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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.