Home / 6,348.32-8,758.65-4,111.91

Finding the Fourth Proportional to 6,348.32, 8,758.65 and 4,111.91

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Solution

The fourth proportional to 6,348.32, 8,758.65 and 4,111.91 is: 5,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.32 : 8,758.65 = 4,111.91 : x
  2. Step 2: Convert to fraction form
    6,348.32/8,758.65 = 4,111.91/x
  3. Step 3: Cross multiply
    6,348.32x = 8,758.65 × 4,111.91
  4. Step 4: Simplify right side
    6,348.32x = 36,014,716.17
  5. Step 5: Solve for x
    x = 36,014,716.17/6,348.32
  6. Step 6: Final answer
    x = 5,673.11

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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.