Home / 7,119.18-10,605.68-6,799.33

Finding the Fourth Proportional to 7,119.18, 10,605.68 and 6,799.33

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Solution

The fourth proportional to 7,119.18, 10,605.68 and 6,799.33 is: 10,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.18 : 10,605.68 = 6,799.33 : x
  2. Step 2: Convert to fraction form
    7,119.18/10,605.68 = 6,799.33/x
  3. Step 3: Cross multiply
    7,119.18x = 10,605.68 × 6,799.33
  4. Step 4: Simplify right side
    7,119.18x = 72,111,518.19
  5. Step 5: Solve for x
    x = 72,111,518.19/7,119.18
  6. Step 6: Final answer
    x = 10,129.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.