Home / 7,023.78-10,535.10-3,320.46

Finding the Fourth Proportional to 7,023.78, 10,535.10 and 3,320.46

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Solution

The fourth proportional to 7,023.78, 10,535.10 and 3,320.46 is: 4,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.78 : 10,535.10 = 3,320.46 : x
  2. Step 2: Convert to fraction form
    7,023.78/10,535.10 = 3,320.46/x
  3. Step 3: Cross multiply
    7,023.78x = 10,535.10 × 3,320.46
  4. Step 4: Simplify right side
    7,023.78x = 34,981,378.15
  5. Step 5: Solve for x
    x = 34,981,378.15/7,023.78
  6. Step 6: Final answer
    x = 4,980.42

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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.