Home / 8,585.49-11,851.62-5,603.88

Finding the Fourth Proportional to 8,585.49, 11,851.62 and 5,603.88

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Solution

The fourth proportional to 8,585.49, 11,851.62 and 5,603.88 is: 7,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.49 : 11,851.62 = 5,603.88 : x
  2. Step 2: Convert to fraction form
    8,585.49/11,851.62 = 5,603.88/x
  3. Step 3: Cross multiply
    8,585.49x = 11,851.62 × 5,603.88
  4. Step 4: Simplify right side
    8,585.49x = 66,415,056.29
  5. Step 5: Solve for x
    x = 66,415,056.29/8,585.49
  6. Step 6: Final answer
    x = 7,735.73

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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.