Home / 5,569.52-7,686.78-3,211.16

Finding the Fourth Proportional to 5,569.52, 7,686.78 and 3,211.16

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Solution

The fourth proportional to 5,569.52, 7,686.78 and 3,211.16 is: 4,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.52 : 7,686.78 = 3,211.16 : x
  2. Step 2: Convert to fraction form
    5,569.52/7,686.78 = 3,211.16/x
  3. Step 3: Cross multiply
    5,569.52x = 7,686.78 × 3,211.16
  4. Step 4: Simplify right side
    5,569.52x = 24,683,480.46
  5. Step 5: Solve for x
    x = 24,683,480.46/5,569.52
  6. Step 6: Final answer
    x = 4,431.89

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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.