Home / 7,430.51-11,138.14-3,269.75

Finding the Fourth Proportional to 7,430.51, 11,138.14 and 3,269.75

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Solution

The fourth proportional to 7,430.51, 11,138.14 and 3,269.75 is: 4,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.51 : 11,138.14 = 3,269.75 : x
  2. Step 2: Convert to fraction form
    7,430.51/11,138.14 = 3,269.75/x
  3. Step 3: Cross multiply
    7,430.51x = 11,138.14 × 3,269.75
  4. Step 4: Simplify right side
    7,430.51x = 36,418,869.40
  5. Step 5: Solve for x
    x = 36,418,869.40/7,430.51
  6. Step 6: Final answer
    x = 4,901.26

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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.