Home / 7,910.90-10,924.29-6,350.42

Finding the Fourth Proportional to 7,910.90, 10,924.29 and 6,350.42

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Solution

The fourth proportional to 7,910.90, 10,924.29 and 6,350.42 is: 8,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.90 : 10,924.29 = 6,350.42 : x
  2. Step 2: Convert to fraction form
    7,910.90/10,924.29 = 6,350.42/x
  3. Step 3: Cross multiply
    7,910.90x = 10,924.29 × 6,350.42
  4. Step 4: Simplify right side
    7,910.90x = 69,373,829.70
  5. Step 5: Solve for x
    x = 69,373,829.70/7,910.90
  6. Step 6: Final answer
    x = 8,769.40

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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.