Home / 7,624.46-11,430.12-2,947.75

Finding the Fourth Proportional to 7,624.46, 11,430.12 and 2,947.75

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Solution

The fourth proportional to 7,624.46, 11,430.12 and 2,947.75 is: 4,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.46 : 11,430.12 = 2,947.75 : x
  2. Step 2: Convert to fraction form
    7,624.46/11,430.12 = 2,947.75/x
  3. Step 3: Cross multiply
    7,624.46x = 11,430.12 × 2,947.75
  4. Step 4: Simplify right side
    7,624.46x = 33,693,136.23
  5. Step 5: Solve for x
    x = 33,693,136.23/7,624.46
  6. Step 6: Final answer
    x = 4,419.08

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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.