Home / 5,623.04-7,760.40-3,527.84

Finding the Fourth Proportional to 5,623.04, 7,760.40 and 3,527.84

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Solution

The fourth proportional to 5,623.04, 7,760.40 and 3,527.84 is: 4,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.04 : 7,760.40 = 3,527.84 : x
  2. Step 2: Convert to fraction form
    5,623.04/7,760.40 = 3,527.84/x
  3. Step 3: Cross multiply
    5,623.04x = 7,760.40 × 3,527.84
  4. Step 4: Simplify right side
    5,623.04x = 27,377,449.54
  5. Step 5: Solve for x
    x = 27,377,449.54/5,623.04
  6. Step 6: Final answer
    x = 4,868.80

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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.