Home / 7,976.78-11,010.44-5,457.94

Finding the Fourth Proportional to 7,976.78, 11,010.44 and 5,457.94

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Solution

The fourth proportional to 7,976.78, 11,010.44 and 5,457.94 is: 7,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.78 : 11,010.44 = 5,457.94 : x
  2. Step 2: Convert to fraction form
    7,976.78/11,010.44 = 5,457.94/x
  3. Step 3: Cross multiply
    7,976.78x = 11,010.44 × 5,457.94
  4. Step 4: Simplify right side
    7,976.78x = 60,094,320.89
  5. Step 5: Solve for x
    x = 60,094,320.89/7,976.78
  6. Step 6: Final answer
    x = 7,533.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.