Home / 9,110.80-12,573.48-5,335.12

Finding the Fourth Proportional to 9,110.80, 12,573.48 and 5,335.12

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Solution

The fourth proportional to 9,110.80, 12,573.48 and 5,335.12 is: 7,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.80 : 12,573.48 = 5,335.12 : x
  2. Step 2: Convert to fraction form
    9,110.80/12,573.48 = 5,335.12/x
  3. Step 3: Cross multiply
    9,110.80x = 12,573.48 × 5,335.12
  4. Step 4: Simplify right side
    9,110.80x = 67,081,024.62
  5. Step 5: Solve for x
    x = 67,081,024.62/9,110.80
  6. Step 6: Final answer
    x = 7,362.80

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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.