Home / 8,542.72-11,775.48-6,297.40

Finding the Fourth Proportional to 8,542.72, 11,775.48 and 6,297.40

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Solution

The fourth proportional to 8,542.72, 11,775.48 and 6,297.40 is: 8,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.72 : 11,775.48 = 6,297.40 : x
  2. Step 2: Convert to fraction form
    8,542.72/11,775.48 = 6,297.40/x
  3. Step 3: Cross multiply
    8,542.72x = 11,775.48 × 6,297.40
  4. Step 4: Simplify right side
    8,542.72x = 74,154,907.75
  5. Step 5: Solve for x
    x = 74,154,907.75/8,542.72
  6. Step 6: Final answer
    x = 8,680.48

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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.