Home / 5,527.23-7,628.12-4,127.55

Finding the Fourth Proportional to 5,527.23, 7,628.12 and 4,127.55

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Solution

The fourth proportional to 5,527.23, 7,628.12 and 4,127.55 is: 5,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.23 : 7,628.12 = 4,127.55 : x
  2. Step 2: Convert to fraction form
    5,527.23/7,628.12 = 4,127.55/x
  3. Step 3: Cross multiply
    5,527.23x = 7,628.12 × 4,127.55
  4. Step 4: Simplify right side
    5,527.23x = 31,485,426.07
  5. Step 5: Solve for x
    x = 31,485,426.07/5,527.23
  6. Step 6: Final answer
    x = 5,696.42

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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.