Home / 8,957.42-13,436.26-3,114.20

Finding the Fourth Proportional to 8,957.42, 13,436.26 and 3,114.20

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Solution

The fourth proportional to 8,957.42, 13,436.26 and 3,114.20 is: 4,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.42 : 13,436.26 = 3,114.20 : x
  2. Step 2: Convert to fraction form
    8,957.42/13,436.26 = 3,114.20/x
  3. Step 3: Cross multiply
    8,957.42x = 13,436.26 × 3,114.20
  4. Step 4: Simplify right side
    8,957.42x = 41,843,200.89
  5. Step 5: Solve for x
    x = 41,843,200.89/8,957.42
  6. Step 6: Final answer
    x = 4,671.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.