Home / 7,698.12-11,544.75-3,314.40

Finding the Fourth Proportional to 7,698.12, 11,544.75 and 3,314.40

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Solution

The fourth proportional to 7,698.12, 11,544.75 and 3,314.40 is: 4,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.12 : 11,544.75 = 3,314.40 : x
  2. Step 2: Convert to fraction form
    7,698.12/11,544.75 = 3,314.40/x
  3. Step 3: Cross multiply
    7,698.12x = 11,544.75 × 3,314.40
  4. Step 4: Simplify right side
    7,698.12x = 38,263,919.40
  5. Step 5: Solve for x
    x = 38,263,919.40/7,698.12
  6. Step 6: Final answer
    x = 4,970.55

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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.