Home / 6,607.55-9,911.32-2,909.79

Finding the Fourth Proportional to 6,607.55, 9,911.32 and 2,909.79

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Solution

The fourth proportional to 6,607.55, 9,911.32 and 2,909.79 is: 4,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.55 : 9,911.32 = 2,909.79 : x
  2. Step 2: Convert to fraction form
    6,607.55/9,911.32 = 2,909.79/x
  3. Step 3: Cross multiply
    6,607.55x = 9,911.32 × 2,909.79
  4. Step 4: Simplify right side
    6,607.55x = 28,839,889.72
  5. Step 5: Solve for x
    x = 28,839,889.72/6,607.55
  6. Step 6: Final answer
    x = 4,364.69

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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.