Home / 5,070.13-7,605.19-1,992.13

Finding the Fourth Proportional to 5,070.13, 7,605.19 and 1,992.13

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Solution

The fourth proportional to 5,070.13, 7,605.19 and 1,992.13 is: 2,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.13 : 7,605.19 = 1,992.13 : x
  2. Step 2: Convert to fraction form
    5,070.13/7,605.19 = 1,992.13/x
  3. Step 3: Cross multiply
    5,070.13x = 7,605.19 × 1,992.13
  4. Step 4: Simplify right side
    5,070.13x = 15,150,527.15
  5. Step 5: Solve for x
    x = 15,150,527.15/5,070.13
  6. Step 6: Final answer
    x = 2,988.19

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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.