Home / 5,664.30-7,816.74-3,146.18

Finding the Fourth Proportional to 5,664.30, 7,816.74 and 3,146.18

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Solution

The fourth proportional to 5,664.30, 7,816.74 and 3,146.18 is: 4,341.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.30 : 7,816.74 = 3,146.18 : x
  2. Step 2: Convert to fraction form
    5,664.30/7,816.74 = 3,146.18/x
  3. Step 3: Cross multiply
    5,664.30x = 7,816.74 × 3,146.18
  4. Step 4: Simplify right side
    5,664.30x = 24,592,871.05
  5. Step 5: Solve for x
    x = 24,592,871.05/5,664.30
  6. Step 6: Final answer
    x = 4,341.73

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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.