Home / 6,988.07-10,492.48-2,836.21

Finding the Fourth Proportional to 6,988.07, 10,492.48 and 2,836.21

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Solution

The fourth proportional to 6,988.07, 10,492.48 and 2,836.21 is: 4,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.07 : 10,492.48 = 2,836.21 : x
  2. Step 2: Convert to fraction form
    6,988.07/10,492.48 = 2,836.21/x
  3. Step 3: Cross multiply
    6,988.07x = 10,492.48 × 2,836.21
  4. Step 4: Simplify right side
    6,988.07x = 29,758,876.70
  5. Step 5: Solve for x
    x = 29,758,876.70/6,988.07
  6. Step 6: Final answer
    x = 4,258.53

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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.