Home / 7,289.01-10,057.40-4,902.42

Finding the Fourth Proportional to 7,289.01, 10,057.40 and 4,902.42

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Solution

The fourth proportional to 7,289.01, 10,057.40 and 4,902.42 is: 6,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.01 : 10,057.40 = 4,902.42 : x
  2. Step 2: Convert to fraction form
    7,289.01/10,057.40 = 4,902.42/x
  3. Step 3: Cross multiply
    7,289.01x = 10,057.40 × 4,902.42
  4. Step 4: Simplify right side
    7,289.01x = 49,305,560.88
  5. Step 5: Solve for x
    x = 49,305,560.88/7,289.01
  6. Step 6: Final answer
    x = 6,764.37

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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.