Home / 5,685.89-7,844.45-3,416.36

Finding the Fourth Proportional to 5,685.89, 7,844.45 and 3,416.36

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Solution

The fourth proportional to 5,685.89, 7,844.45 and 3,416.36 is: 4,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.89 : 7,844.45 = 3,416.36 : x
  2. Step 2: Convert to fraction form
    5,685.89/7,844.45 = 3,416.36/x
  3. Step 3: Cross multiply
    5,685.89x = 7,844.45 × 3,416.36
  4. Step 4: Simplify right side
    5,685.89x = 26,799,408.90
  5. Step 5: Solve for x
    x = 26,799,408.90/5,685.89
  6. Step 6: Final answer
    x = 4,713.32

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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.