Home / 7,994.28-11,031.60-5,010

Finding the Fourth Proportional to 7,994.28, 11,031.60 and 5,010

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Solution

The fourth proportional to 7,994.28, 11,031.60 and 5,010 is: 6,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.28 : 11,031.60 = 5,010 : x
  2. Step 2: Convert to fraction form
    7,994.28/11,031.60 = 5,010/x
  3. Step 3: Cross multiply
    7,994.28x = 11,031.60 × 5,010
  4. Step 4: Simplify right side
    7,994.28x = 55,268,316
  5. Step 5: Solve for x
    x = 55,268,316/7,994.28
  6. Step 6: Final answer
    x = 6,913.48

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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.