Home / 5,007.42-6,908.55-2,909.82

Finding the Fourth Proportional to 5,007.42, 6,908.55 and 2,909.82

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Solution

The fourth proportional to 5,007.42, 6,908.55 and 2,909.82 is: 4,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.42 : 6,908.55 = 2,909.82 : x
  2. Step 2: Convert to fraction form
    5,007.42/6,908.55 = 2,909.82/x
  3. Step 3: Cross multiply
    5,007.42x = 6,908.55 × 2,909.82
  4. Step 4: Simplify right side
    5,007.42x = 20,102,636.96
  5. Step 5: Solve for x
    x = 20,102,636.96/5,007.42
  6. Step 6: Final answer
    x = 4,014.57

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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.