Home / 7,273.40-10,895.70-4,191.80

Finding the Fourth Proportional to 7,273.40, 10,895.70 and 4,191.80

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Solution

The fourth proportional to 7,273.40, 10,895.70 and 4,191.80 is: 6,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.40 : 10,895.70 = 4,191.80 : x
  2. Step 2: Convert to fraction form
    7,273.40/10,895.70 = 4,191.80/x
  3. Step 3: Cross multiply
    7,273.40x = 10,895.70 × 4,191.80
  4. Step 4: Simplify right side
    7,273.40x = 45,672,595.26
  5. Step 5: Solve for x
    x = 45,672,595.26/7,273.40
  6. Step 6: Final answer
    x = 6,279.40

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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.