Home / 6,440.73-8,896.55-5,326.17

Finding the Fourth Proportional to 6,440.73, 8,896.55 and 5,326.17

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Solution

The fourth proportional to 6,440.73, 8,896.55 and 5,326.17 is: 7,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.73 : 8,896.55 = 5,326.17 : x
  2. Step 2: Convert to fraction form
    6,440.73/8,896.55 = 5,326.17/x
  3. Step 3: Cross multiply
    6,440.73x = 8,896.55 × 5,326.17
  4. Step 4: Simplify right side
    6,440.73x = 47,384,511.08
  5. Step 5: Solve for x
    x = 47,384,511.08/6,440.73
  6. Step 6: Final answer
    x = 7,357.01

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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.