Home / 5,569.19-7,686.20-3,211.35

Finding the Fourth Proportional to 5,569.19, 7,686.20 and 3,211.35

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Solution

The fourth proportional to 5,569.19, 7,686.20 and 3,211.35 is: 4,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.19 : 7,686.20 = 3,211.35 : x
  2. Step 2: Convert to fraction form
    5,569.19/7,686.20 = 3,211.35/x
  3. Step 3: Cross multiply
    5,569.19x = 7,686.20 × 3,211.35
  4. Step 4: Simplify right side
    5,569.19x = 24,683,062.31
  5. Step 5: Solve for x
    x = 24,683,062.31/5,569.19
  6. Step 6: Final answer
    x = 4,432.07

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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.