Home / 7,756.05-11,640.96-5,116.17

Finding the Fourth Proportional to 7,756.05, 11,640.96 and 5,116.17

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Solution

The fourth proportional to 7,756.05, 11,640.96 and 5,116.17 is: 7,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.05 : 11,640.96 = 5,116.17 : x
  2. Step 2: Convert to fraction form
    7,756.05/11,640.96 = 5,116.17/x
  3. Step 3: Cross multiply
    7,756.05x = 11,640.96 × 5,116.17
  4. Step 4: Simplify right side
    7,756.05x = 59,557,130.32
  5. Step 5: Solve for x
    x = 59,557,130.32/7,756.05
  6. Step 6: Final answer
    x = 7,678.80

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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.