Home / 5,574.43-7,688.71-3,449.28

Finding the Fourth Proportional to 5,574.43, 7,688.71 and 3,449.28

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Solution

The fourth proportional to 5,574.43, 7,688.71 and 3,449.28 is: 4,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.43 : 7,688.71 = 3,449.28 : x
  2. Step 2: Convert to fraction form
    5,574.43/7,688.71 = 3,449.28/x
  3. Step 3: Cross multiply
    5,574.43x = 7,688.71 × 3,449.28
  4. Step 4: Simplify right side
    5,574.43x = 26,520,533.97
  5. Step 5: Solve for x
    x = 26,520,533.97/5,574.43
  6. Step 6: Final answer
    x = 4,757.53

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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.