Home / 6,948.32-10,412.76-4,991.36

Finding the Fourth Proportional to 6,948.32, 10,412.76 and 4,991.36

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Solution

The fourth proportional to 6,948.32, 10,412.76 and 4,991.36 is: 7,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.32 : 10,412.76 = 4,991.36 : x
  2. Step 2: Convert to fraction form
    6,948.32/10,412.76 = 4,991.36/x
  3. Step 3: Cross multiply
    6,948.32x = 10,412.76 × 4,991.36
  4. Step 4: Simplify right side
    6,948.32x = 51,973,833.75
  5. Step 5: Solve for x
    x = 51,973,833.75/6,948.32
  6. Step 6: Final answer
    x = 7,480.06

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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.