Home / 7,003.97-9,665.48-4,209.47

Finding the Fourth Proportional to 7,003.97, 9,665.48 and 4,209.47

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Solution

The fourth proportional to 7,003.97, 9,665.48 and 4,209.47 is: 5,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.97 : 9,665.48 = 4,209.47 : x
  2. Step 2: Convert to fraction form
    7,003.97/9,665.48 = 4,209.47/x
  3. Step 3: Cross multiply
    7,003.97x = 9,665.48 × 4,209.47
  4. Step 4: Simplify right side
    7,003.97x = 40,686,522.86
  5. Step 5: Solve for x
    x = 40,686,522.86/7,003.97
  6. Step 6: Final answer
    x = 5,809.07

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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.