Home / 3,809.48-5,287.91-3,717.32

Finding the Fourth Proportional to 3,809.48, 5,287.91 and 3,717.32

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Solution

The fourth proportional to 3,809.48, 5,287.91 and 3,717.32 is: 5,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.48 : 5,287.91 = 3,717.32 : x
  2. Step 2: Convert to fraction form
    3,809.48/5,287.91 = 3,717.32/x
  3. Step 3: Cross multiply
    3,809.48x = 5,287.91 × 3,717.32
  4. Step 4: Simplify right side
    3,809.48x = 19,656,853.60
  5. Step 5: Solve for x
    x = 19,656,853.60/3,809.48
  6. Step 6: Final answer
    x = 5,159.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.