Home / 5,011.50-6,915.01-3,219.38

Finding the Fourth Proportional to 5,011.50, 6,915.01 and 3,219.38

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Solution

The fourth proportional to 5,011.50, 6,915.01 and 3,219.38 is: 4,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.50 : 6,915.01 = 3,219.38 : x
  2. Step 2: Convert to fraction form
    5,011.50/6,915.01 = 3,219.38/x
  3. Step 3: Cross multiply
    5,011.50x = 6,915.01 × 3,219.38
  4. Step 4: Simplify right side
    5,011.50x = 22,261,994.22
  5. Step 5: Solve for x
    x = 22,261,994.22/5,011.50
  6. Step 6: Final answer
    x = 4,442.18

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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.