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Finding the Fourth Proportional to 6,750.05, 10,125.08 and 1,820.18

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Solution

The fourth proportional to 6,750.05, 10,125.08 and 1,820.18 is: 2,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.05 : 10,125.08 = 1,820.18 : x
  2. Step 2: Convert to fraction form
    6,750.05/10,125.08 = 1,820.18/x
  3. Step 3: Cross multiply
    6,750.05x = 10,125.08 × 1,820.18
  4. Step 4: Simplify right side
    6,750.05x = 18,429,408.39
  5. Step 5: Solve for x
    x = 18,429,408.39/6,750.05
  6. Step 6: Final answer
    x = 2,730.26

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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.