Home / 7,346.70-11,007.45-3,443.10

Finding the Fourth Proportional to 7,346.70, 11,007.45 and 3,443.10

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Solution

The fourth proportional to 7,346.70, 11,007.45 and 3,443.10 is: 5,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.70 : 11,007.45 = 3,443.10 : x
  2. Step 2: Convert to fraction form
    7,346.70/11,007.45 = 3,443.10/x
  3. Step 3: Cross multiply
    7,346.70x = 11,007.45 × 3,443.10
  4. Step 4: Simplify right side
    7,346.70x = 37,899,751.10
  5. Step 5: Solve for x
    x = 37,899,751.10/7,346.70
  6. Step 6: Final answer
    x = 5,158.74

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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.