Home / 6,156.11-8,490.62-5,448.71

Finding the Fourth Proportional to 6,156.11, 8,490.62 and 5,448.71

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Solution

The fourth proportional to 6,156.11, 8,490.62 and 5,448.71 is: 7,514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.11 : 8,490.62 = 5,448.71 : x
  2. Step 2: Convert to fraction form
    6,156.11/8,490.62 = 5,448.71/x
  3. Step 3: Cross multiply
    6,156.11x = 8,490.62 × 5,448.71
  4. Step 4: Simplify right side
    6,156.11x = 46,262,856.40
  5. Step 5: Solve for x
    x = 46,262,856.40/6,156.11
  6. Step 6: Final answer
    x = 7,514.96

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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.