Home / 8,977.23-12,390.05-6,848.74

Finding the Fourth Proportional to 8,977.23, 12,390.05 and 6,848.74

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Solution

The fourth proportional to 8,977.23, 12,390.05 and 6,848.74 is: 9,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.23 : 12,390.05 = 6,848.74 : x
  2. Step 2: Convert to fraction form
    8,977.23/12,390.05 = 6,848.74/x
  3. Step 3: Cross multiply
    8,977.23x = 12,390.05 × 6,848.74
  4. Step 4: Simplify right side
    8,977.23x = 84,856,286.88
  5. Step 5: Solve for x
    x = 84,856,286.88/8,977.23
  6. Step 6: Final answer
    x = 9,452.39

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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.