Home / 7,117.87-10,675.70-2,436.80

Finding the Fourth Proportional to 7,117.87, 10,675.70 and 2,436.80

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Solution

The fourth proportional to 7,117.87, 10,675.70 and 2,436.80 is: 3,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.87 : 10,675.70 = 2,436.80 : x
  2. Step 2: Convert to fraction form
    7,117.87/10,675.70 = 2,436.80/x
  3. Step 3: Cross multiply
    7,117.87x = 10,675.70 × 2,436.80
  4. Step 4: Simplify right side
    7,117.87x = 26,014,545.76
  5. Step 5: Solve for x
    x = 26,014,545.76/7,117.87
  6. Step 6: Final answer
    x = 3,654.82

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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.