Home / 10,609.84-15,915.06-2,818.66

Finding the Fourth Proportional to 10,609.84, 15,915.06 and 2,818.66

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Solution

The fourth proportional to 10,609.84, 15,915.06 and 2,818.66 is: 4,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.84 : 15,915.06 = 2,818.66 : x
  2. Step 2: Convert to fraction form
    10,609.84/15,915.06 = 2,818.66/x
  3. Step 3: Cross multiply
    10,609.84x = 15,915.06 × 2,818.66
  4. Step 4: Simplify right side
    10,609.84x = 44,859,143.02
  5. Step 5: Solve for x
    x = 44,859,143.02/10,609.84
  6. Step 6: Final answer
    x = 4,228.07

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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.