Home / 8,276.50-11,431.32-5,477.14

Finding the Fourth Proportional to 8,276.50, 11,431.32 and 5,477.14

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Solution

The fourth proportional to 8,276.50, 11,431.32 and 5,477.14 is: 7,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.50 : 11,431.32 = 5,477.14 : x
  2. Step 2: Convert to fraction form
    8,276.50/11,431.32 = 5,477.14/x
  3. Step 3: Cross multiply
    8,276.50x = 11,431.32 × 5,477.14
  4. Step 4: Simplify right side
    8,276.50x = 62,610,940.02
  5. Step 5: Solve for x
    x = 62,610,940.02/8,276.50
  6. Step 6: Final answer
    x = 7,564.91

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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.