Home / 9,065.64-12,511.44-5,288.49

Finding the Fourth Proportional to 9,065.64, 12,511.44 and 5,288.49

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Solution

The fourth proportional to 9,065.64, 12,511.44 and 5,288.49 is: 7,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.64 : 12,511.44 = 5,288.49 : x
  2. Step 2: Convert to fraction form
    9,065.64/12,511.44 = 5,288.49/x
  3. Step 3: Cross multiply
    9,065.64x = 12,511.44 × 5,288.49
  4. Step 4: Simplify right side
    9,065.64x = 66,166,625.33
  5. Step 5: Solve for x
    x = 66,166,625.33/9,065.64
  6. Step 6: Final answer
    x = 7,298.62

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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.