Home / 7,386.77-11,080.15-2,192.64

Finding the Fourth Proportional to 7,386.77, 11,080.15 and 2,192.64

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Solution

The fourth proportional to 7,386.77, 11,080.15 and 2,192.64 is: 3,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.77 : 11,080.15 = 2,192.64 : x
  2. Step 2: Convert to fraction form
    7,386.77/11,080.15 = 2,192.64/x
  3. Step 3: Cross multiply
    7,386.77x = 11,080.15 × 2,192.64
  4. Step 4: Simplify right side
    7,386.77x = 24,294,780.10
  5. Step 5: Solve for x
    x = 24,294,780.10/7,386.77
  6. Step 6: Final answer
    x = 3,288.96

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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.