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Finding the Fourth Proportional to 4,869.03, 6,705.11 and 4,230.68

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Solution

The fourth proportional to 4,869.03, 6,705.11 and 4,230.68 is: 5,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.03 : 6,705.11 = 4,230.68 : x
  2. Step 2: Convert to fraction form
    4,869.03/6,705.11 = 4,230.68/x
  3. Step 3: Cross multiply
    4,869.03x = 6,705.11 × 4,230.68
  4. Step 4: Simplify right side
    4,869.03x = 28,367,120.10
  5. Step 5: Solve for x
    x = 28,367,120.10/4,869.03
  6. Step 6: Final answer
    x = 5,826.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.