Home / 5,008.16-6,909.36-3,141.92

Finding the Fourth Proportional to 5,008.16, 6,909.36 and 3,141.92

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Solution

The fourth proportional to 5,008.16, 6,909.36 and 3,141.92 is: 4,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.16 : 6,909.36 = 3,141.92 : x
  2. Step 2: Convert to fraction form
    5,008.16/6,909.36 = 3,141.92/x
  3. Step 3: Cross multiply
    5,008.16x = 6,909.36 × 3,141.92
  4. Step 4: Simplify right side
    5,008.16x = 21,708,656.37
  5. Step 5: Solve for x
    x = 21,708,656.37/5,008.16
  6. Step 6: Final answer
    x = 4,334.66

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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.