Home / 5,660.40-7,808.14-3,560.88

Finding the Fourth Proportional to 5,660.40, 7,808.14 and 3,560.88

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Solution

The fourth proportional to 5,660.40, 7,808.14 and 3,560.88 is: 4,911.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.40 : 7,808.14 = 3,560.88 : x
  2. Step 2: Convert to fraction form
    5,660.40/7,808.14 = 3,560.88/x
  3. Step 3: Cross multiply
    5,660.40x = 7,808.14 × 3,560.88
  4. Step 4: Simplify right side
    5,660.40x = 27,803,801.62
  5. Step 5: Solve for x
    x = 27,803,801.62/5,660.40
  6. Step 6: Final answer
    x = 4,911.99

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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.