Home / 8,857.84-13,269.48-3,915.76

Finding the Fourth Proportional to 8,857.84, 13,269.48 and 3,915.76

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Solution

The fourth proportional to 8,857.84, 13,269.48 and 3,915.76 is: 5,866.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.84 : 13,269.48 = 3,915.76 : x
  2. Step 2: Convert to fraction form
    8,857.84/13,269.48 = 3,915.76/x
  3. Step 3: Cross multiply
    8,857.84x = 13,269.48 × 3,915.76
  4. Step 4: Simplify right side
    8,857.84x = 51,960,099.00
  5. Step 5: Solve for x
    x = 51,960,099.00/8,857.84
  6. Step 6: Final answer
    x = 5,866.00

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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.