Home / 7,042.61-10,566.75-2,661.32

Finding the Fourth Proportional to 7,042.61, 10,566.75 and 2,661.32

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Solution

The fourth proportional to 7,042.61, 10,566.75 and 2,661.32 is: 3,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.61 : 10,566.75 = 2,661.32 : x
  2. Step 2: Convert to fraction form
    7,042.61/10,566.75 = 2,661.32/x
  3. Step 3: Cross multiply
    7,042.61x = 10,566.75 × 2,661.32
  4. Step 4: Simplify right side
    7,042.61x = 28,121,503.11
  5. Step 5: Solve for x
    x = 28,121,503.11/7,042.61
  6. Step 6: Final answer
    x = 3,993.05

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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.