Home / 5,914.76-8,870.32-1,965.18

Finding the Fourth Proportional to 5,914.76, 8,870.32 and 1,965.18

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Solution

The fourth proportional to 5,914.76, 8,870.32 and 1,965.18 is: 2,947.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.76 : 8,870.32 = 1,965.18 : x
  2. Step 2: Convert to fraction form
    5,914.76/8,870.32 = 1,965.18/x
  3. Step 3: Cross multiply
    5,914.76x = 8,870.32 × 1,965.18
  4. Step 4: Simplify right side
    5,914.76x = 17,431,770.54
  5. Step 5: Solve for x
    x = 17,431,770.54/5,914.76
  6. Step 6: Final answer
    x = 2,947.16

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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.