Home / 4,909.23-7,363.92-1,211.46

Finding the Fourth Proportional to 4,909.23, 7,363.92 and 1,211.46

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Solution

The fourth proportional to 4,909.23, 7,363.92 and 1,211.46 is: 1,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.23 : 7,363.92 = 1,211.46 : x
  2. Step 2: Convert to fraction form
    4,909.23/7,363.92 = 1,211.46/x
  3. Step 3: Cross multiply
    4,909.23x = 7,363.92 × 1,211.46
  4. Step 4: Simplify right side
    4,909.23x = 8,921,094.52
  5. Step 5: Solve for x
    x = 8,921,094.52/4,909.23
  6. Step 6: Final answer
    x = 1,817.21

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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.