Home / 5,088.79-7,637.07-2,278.49

Finding the Fourth Proportional to 5,088.79, 7,637.07 and 2,278.49

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Solution

The fourth proportional to 5,088.79, 7,637.07 and 2,278.49 is: 3,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.79 : 7,637.07 = 2,278.49 : x
  2. Step 2: Convert to fraction form
    5,088.79/7,637.07 = 2,278.49/x
  3. Step 3: Cross multiply
    5,088.79x = 7,637.07 × 2,278.49
  4. Step 4: Simplify right side
    5,088.79x = 17,400,987.62
  5. Step 5: Solve for x
    x = 17,400,987.62/5,088.79
  6. Step 6: Final answer
    x = 3,419.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.