Home / 5,011.98-6,915.48-3,816.72

Finding the Fourth Proportional to 5,011.98, 6,915.48 and 3,816.72

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Solution

The fourth proportional to 5,011.98, 6,915.48 and 3,816.72 is: 5,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.98 : 6,915.48 = 3,816.72 : x
  2. Step 2: Convert to fraction form
    5,011.98/6,915.48 = 3,816.72/x
  3. Step 3: Cross multiply
    5,011.98x = 6,915.48 × 3,816.72
  4. Step 4: Simplify right side
    5,011.98x = 26,394,436.51
  5. Step 5: Solve for x
    x = 26,394,436.51/5,011.98
  6. Step 6: Final answer
    x = 5,266.27

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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.