Home / 6,530.94-9,011.43-3,879.18

Finding the Fourth Proportional to 6,530.94, 9,011.43 and 3,879.18

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Solution

The fourth proportional to 6,530.94, 9,011.43 and 3,879.18 is: 5,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.94 : 9,011.43 = 3,879.18 : x
  2. Step 2: Convert to fraction form
    6,530.94/9,011.43 = 3,879.18/x
  3. Step 3: Cross multiply
    6,530.94x = 9,011.43 × 3,879.18
  4. Step 4: Simplify right side
    6,530.94x = 34,956,959.03
  5. Step 5: Solve for x
    x = 34,956,959.03/6,530.94
  6. Step 6: Final answer
    x = 5,352.52

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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.