Home / 5,599.80-7,727.86-3,082.05

Finding the Fourth Proportional to 5,599.80, 7,727.86 and 3,082.05

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Solution

The fourth proportional to 5,599.80, 7,727.86 and 3,082.05 is: 4,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.80 : 7,727.86 = 3,082.05 : x
  2. Step 2: Convert to fraction form
    5,599.80/7,727.86 = 3,082.05/x
  3. Step 3: Cross multiply
    5,599.80x = 7,727.86 × 3,082.05
  4. Step 4: Simplify right side
    5,599.80x = 23,817,637.43
  5. Step 5: Solve for x
    x = 23,817,637.43/5,599.80
  6. Step 6: Final answer
    x = 4,253.30

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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.