Home / 7,774.44-11,661.66-1,931.10

Finding the Fourth Proportional to 7,774.44, 11,661.66 and 1,931.10

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Solution

The fourth proportional to 7,774.44, 11,661.66 and 1,931.10 is: 2,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.44 : 11,661.66 = 1,931.10 : x
  2. Step 2: Convert to fraction form
    7,774.44/11,661.66 = 1,931.10/x
  3. Step 3: Cross multiply
    7,774.44x = 11,661.66 × 1,931.10
  4. Step 4: Simplify right side
    7,774.44x = 22,519,831.63
  5. Step 5: Solve for x
    x = 22,519,831.63/7,774.44
  6. Step 6: Final answer
    x = 2,896.65

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Similar ratio
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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.