Home / 7,799.49-11,701.13-2,605.77

Finding the Fourth Proportional to 7,799.49, 11,701.13 and 2,605.77

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Solution

The fourth proportional to 7,799.49, 11,701.13 and 2,605.77 is: 3,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.49 : 11,701.13 = 2,605.77 : x
  2. Step 2: Convert to fraction form
    7,799.49/11,701.13 = 2,605.77/x
  3. Step 3: Cross multiply
    7,799.49x = 11,701.13 × 2,605.77
  4. Step 4: Simplify right side
    7,799.49x = 30,490,440.49
  5. Step 5: Solve for x
    x = 30,490,440.49/7,799.49
  6. Step 6: Final answer
    x = 3,909.29

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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.