Home / 5,286.58-7,280.61-4,394.29

Finding the Fourth Proportional to 5,286.58, 7,280.61 and 4,394.29

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Solution

The fourth proportional to 5,286.58, 7,280.61 and 4,394.29 is: 6,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.58 : 7,280.61 = 4,394.29 : x
  2. Step 2: Convert to fraction form
    5,286.58/7,280.61 = 4,394.29/x
  3. Step 3: Cross multiply
    5,286.58x = 7,280.61 × 4,394.29
  4. Step 4: Simplify right side
    5,286.58x = 31,993,111.72
  5. Step 5: Solve for x
    x = 31,993,111.72/5,286.58
  6. Step 6: Final answer
    x = 6,051.76

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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.