Home / 6,606.39-9,911.31-2,909.35

Finding the Fourth Proportional to 6,606.39, 9,911.31 and 2,909.35

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Solution

The fourth proportional to 6,606.39, 9,911.31 and 2,909.35 is: 4,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.39 : 9,911.31 = 2,909.35 : x
  2. Step 2: Convert to fraction form
    6,606.39/9,911.31 = 2,909.35/x
  3. Step 3: Cross multiply
    6,606.39x = 9,911.31 × 2,909.35
  4. Step 4: Simplify right side
    6,606.39x = 28,835,405.65
  5. Step 5: Solve for x
    x = 28,835,405.65/6,606.39
  6. Step 6: Final answer
    x = 4,364.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.