Home / 5,394.11-7,440.39-4,686.57

Finding the Fourth Proportional to 5,394.11, 7,440.39 and 4,686.57

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Solution

The fourth proportional to 5,394.11, 7,440.39 and 4,686.57 is: 6,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.11 : 7,440.39 = 4,686.57 : x
  2. Step 2: Convert to fraction form
    5,394.11/7,440.39 = 4,686.57/x
  3. Step 3: Cross multiply
    5,394.11x = 7,440.39 × 4,686.57
  4. Step 4: Simplify right side
    5,394.11x = 34,869,908.56
  5. Step 5: Solve for x
    x = 34,869,908.56/5,394.11
  6. Step 6: Final answer
    x = 6,464.45

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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.