Home / 8,698.97-12,002.55-5,871.60

Finding the Fourth Proportional to 8,698.97, 12,002.55 and 5,871.60

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Solution

The fourth proportional to 8,698.97, 12,002.55 and 5,871.60 is: 8,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.97 : 12,002.55 = 5,871.60 : x
  2. Step 2: Convert to fraction form
    8,698.97/12,002.55 = 5,871.60/x
  3. Step 3: Cross multiply
    8,698.97x = 12,002.55 × 5,871.60
  4. Step 4: Simplify right side
    8,698.97x = 70,474,172.58
  5. Step 5: Solve for x
    x = 70,474,172.58/8,698.97
  6. Step 6: Final answer
    x = 8,101.44

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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.