Home / 7,354.36-11,009.66-4,423.78

Finding the Fourth Proportional to 7,354.36, 11,009.66 and 4,423.78

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Solution

The fourth proportional to 7,354.36, 11,009.66 and 4,423.78 is: 6,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.36 : 11,009.66 = 4,423.78 : x
  2. Step 2: Convert to fraction form
    7,354.36/11,009.66 = 4,423.78/x
  3. Step 3: Cross multiply
    7,354.36x = 11,009.66 × 4,423.78
  4. Step 4: Simplify right side
    7,354.36x = 48,704,313.71
  5. Step 5: Solve for x
    x = 48,704,313.71/7,354.36
  6. Step 6: Final answer
    x = 6,622.51

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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.