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Finding the Fourth Proportional to 4,360.80, 6,019.30 and 2,788.92

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Solution

The fourth proportional to 4,360.80, 6,019.30 and 2,788.92 is: 3,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.80 : 6,019.30 = 2,788.92 : x
  2. Step 2: Convert to fraction form
    4,360.80/6,019.30 = 2,788.92/x
  3. Step 3: Cross multiply
    4,360.80x = 6,019.30 × 2,788.92
  4. Step 4: Simplify right side
    4,360.80x = 16,787,346.16
  5. Step 5: Solve for x
    x = 16,787,346.16/4,360.80
  6. Step 6: Final answer
    x = 3,849.60

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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.