Home / 4,102.79-5,647.59-3,577.91

Finding the Fourth Proportional to 4,102.79, 5,647.59 and 3,577.91

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Solution

The fourth proportional to 4,102.79, 5,647.59 and 3,577.91 is: 4,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.79 : 5,647.59 = 3,577.91 : x
  2. Step 2: Convert to fraction form
    4,102.79/5,647.59 = 3,577.91/x
  3. Step 3: Cross multiply
    4,102.79x = 5,647.59 × 3,577.91
  4. Step 4: Simplify right side
    4,102.79x = 20,206,540.50
  5. Step 5: Solve for x
    x = 20,206,540.50/4,102.79
  6. Step 6: Final answer
    x = 4,925.08

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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.