Home / 6,756.21-10,127.03-4,915.89

Finding the Fourth Proportional to 6,756.21, 10,127.03 and 4,915.89

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Solution

The fourth proportional to 6,756.21, 10,127.03 and 4,915.89 is: 7,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,756.21 : 10,127.03 = 4,915.89 : x
  2. Step 2: Convert to fraction form
    6,756.21/10,127.03 = 4,915.89/x
  3. Step 3: Cross multiply
    6,756.21x = 10,127.03 × 4,915.89
  4. Step 4: Simplify right side
    6,756.21x = 49,783,340.93
  5. Step 5: Solve for x
    x = 49,783,340.93/6,756.21
  6. Step 6: Final answer
    x = 7,368.53

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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.