Home / 7,820.32-10,791.48-4,282.96

Finding the Fourth Proportional to 7,820.32, 10,791.48 and 4,282.96

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Solution

The fourth proportional to 7,820.32, 10,791.48 and 4,282.96 is: 5,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.32 : 10,791.48 = 4,282.96 : x
  2. Step 2: Convert to fraction form
    7,820.32/10,791.48 = 4,282.96/x
  3. Step 3: Cross multiply
    7,820.32x = 10,791.48 × 4,282.96
  4. Step 4: Simplify right side
    7,820.32x = 46,219,477.18
  5. Step 5: Solve for x
    x = 46,219,477.18/7,820.32
  6. Step 6: Final answer
    x = 5,910.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.