Home / 9,054.14-12,490.26-5,511.20

Finding the Fourth Proportional to 9,054.14, 12,490.26 and 5,511.20

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Solution

The fourth proportional to 9,054.14, 12,490.26 and 5,511.20 is: 7,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.14 : 12,490.26 = 5,511.20 : x
  2. Step 2: Convert to fraction form
    9,054.14/12,490.26 = 5,511.20/x
  3. Step 3: Cross multiply
    9,054.14x = 12,490.26 × 5,511.20
  4. Step 4: Simplify right side
    9,054.14x = 68,836,320.91
  5. Step 5: Solve for x
    x = 68,836,320.91/9,054.14
  6. Step 6: Final answer
    x = 7,602.75

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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.