Home / 7,680.48-11,529.36-3,066.72

Finding the Fourth Proportional to 7,680.48, 11,529.36 and 3,066.72

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Solution

The fourth proportional to 7,680.48, 11,529.36 and 3,066.72 is: 4,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.48 : 11,529.36 = 3,066.72 : x
  2. Step 2: Convert to fraction form
    7,680.48/11,529.36 = 3,066.72/x
  3. Step 3: Cross multiply
    7,680.48x = 11,529.36 × 3,066.72
  4. Step 4: Simplify right side
    7,680.48x = 35,357,318.90
  5. Step 5: Solve for x
    x = 35,357,318.90/7,680.48
  6. Step 6: Final answer
    x = 4,603.53

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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.