Home / 7,048.26-10,561.40-2,663.32

Finding the Fourth Proportional to 7,048.26, 10,561.40 and 2,663.32

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Solution

The fourth proportional to 7,048.26, 10,561.40 and 2,663.32 is: 3,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.26 : 10,561.40 = 2,663.32 : x
  2. Step 2: Convert to fraction form
    7,048.26/10,561.40 = 2,663.32/x
  3. Step 3: Cross multiply
    7,048.26x = 10,561.40 × 2,663.32
  4. Step 4: Simplify right side
    7,048.26x = 28,128,387.85
  5. Step 5: Solve for x
    x = 28,128,387.85/7,048.26
  6. Step 6: Final answer
    x = 3,990.83

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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.