Home / 7,995.90-11,021.12-5,342.34

Finding the Fourth Proportional to 7,995.90, 11,021.12 and 5,342.34

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Solution

The fourth proportional to 7,995.90, 11,021.12 and 5,342.34 is: 7,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.90 : 11,021.12 = 5,342.34 : x
  2. Step 2: Convert to fraction form
    7,995.90/11,021.12 = 5,342.34/x
  3. Step 3: Cross multiply
    7,995.90x = 11,021.12 × 5,342.34
  4. Step 4: Simplify right side
    7,995.90x = 58,878,570.22
  5. Step 5: Solve for x
    x = 58,878,570.22/7,995.90
  6. Step 6: Final answer
    x = 7,363.60

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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.