Home / 9,640.74-13,304.51-5,391.98

Finding the Fourth Proportional to 9,640.74, 13,304.51 and 5,391.98

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Solution

The fourth proportional to 9,640.74, 13,304.51 and 5,391.98 is: 7,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.74 : 13,304.51 = 5,391.98 : x
  2. Step 2: Convert to fraction form
    9,640.74/13,304.51 = 5,391.98/x
  3. Step 3: Cross multiply
    9,640.74x = 13,304.51 × 5,391.98
  4. Step 4: Simplify right side
    9,640.74x = 71,737,558.35
  5. Step 5: Solve for x
    x = 71,737,558.35/9,640.74
  6. Step 6: Final answer
    x = 7,441.08

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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.