Home / 7,707.36-11,561.04-3,807.84

Finding the Fourth Proportional to 7,707.36, 11,561.04 and 3,807.84

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Solution

The fourth proportional to 7,707.36, 11,561.04 and 3,807.84 is: 5,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.36 : 11,561.04 = 3,807.84 : x
  2. Step 2: Convert to fraction form
    7,707.36/11,561.04 = 3,807.84/x
  3. Step 3: Cross multiply
    7,707.36x = 11,561.04 × 3,807.84
  4. Step 4: Simplify right side
    7,707.36x = 44,022,590.55
  5. Step 5: Solve for x
    x = 44,022,590.55/7,707.36
  6. Step 6: Final answer
    x = 5,711.76

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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.