Home / 5,277.17-7,915.53-1,381.49

Finding the Fourth Proportional to 5,277.17, 7,915.53 and 1,381.49

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Solution

The fourth proportional to 5,277.17, 7,915.53 and 1,381.49 is: 2,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.17 : 7,915.53 = 1,381.49 : x
  2. Step 2: Convert to fraction form
    5,277.17/7,915.53 = 1,381.49/x
  3. Step 3: Cross multiply
    5,277.17x = 7,915.53 × 1,381.49
  4. Step 4: Simplify right side
    5,277.17x = 10,935,225.54
  5. Step 5: Solve for x
    x = 10,935,225.54/5,277.17
  6. Step 6: Final answer
    x = 2,072.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.