Home / 5,669.58-7,825.56-3,680.02

Finding the Fourth Proportional to 5,669.58, 7,825.56 and 3,680.02

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Solution

The fourth proportional to 5,669.58, 7,825.56 and 3,680.02 is: 5,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.58 : 7,825.56 = 3,680.02 : x
  2. Step 2: Convert to fraction form
    5,669.58/7,825.56 = 3,680.02/x
  3. Step 3: Cross multiply
    5,669.58x = 7,825.56 × 3,680.02
  4. Step 4: Simplify right side
    5,669.58x = 28,798,178.18
  5. Step 5: Solve for x
    x = 28,798,178.18/5,669.58
  6. Step 6: Final answer
    x = 5,079.42

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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.