Home / 8,963.09-12,365.75-5,425.01

Finding the Fourth Proportional to 8,963.09, 12,365.75 and 5,425.01

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Solution

The fourth proportional to 8,963.09, 12,365.75 and 5,425.01 is: 7,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.09 : 12,365.75 = 5,425.01 : x
  2. Step 2: Convert to fraction form
    8,963.09/12,365.75 = 5,425.01/x
  3. Step 3: Cross multiply
    8,963.09x = 12,365.75 × 5,425.01
  4. Step 4: Simplify right side
    8,963.09x = 67,084,255.58
  5. Step 5: Solve for x
    x = 67,084,255.58/8,963.09
  6. Step 6: Final answer
    x = 7,484.51

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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.