Home / 6,107.15-9,141.08-5,531.69

Finding the Fourth Proportional to 6,107.15, 9,141.08 and 5,531.69

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Solution

The fourth proportional to 6,107.15, 9,141.08 and 5,531.69 is: 8,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.15 : 9,141.08 = 5,531.69 : x
  2. Step 2: Convert to fraction form
    6,107.15/9,141.08 = 5,531.69/x
  3. Step 3: Cross multiply
    6,107.15x = 9,141.08 × 5,531.69
  4. Step 4: Simplify right side
    6,107.15x = 50,565,547.46
  5. Step 5: Solve for x
    x = 50,565,547.46/6,107.15
  6. Step 6: Final answer
    x = 8,279.74

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1.5x scale

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.