Home / 7,448.28-11,166.48-4,818.48

Finding the Fourth Proportional to 7,448.28, 11,166.48 and 4,818.48

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Solution

The fourth proportional to 7,448.28, 11,166.48 and 4,818.48 is: 7,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.28 : 11,166.48 = 4,818.48 : x
  2. Step 2: Convert to fraction form
    7,448.28/11,166.48 = 4,818.48/x
  3. Step 3: Cross multiply
    7,448.28x = 11,166.48 × 4,818.48
  4. Step 4: Simplify right side
    7,448.28x = 53,805,460.55
  5. Step 5: Solve for x
    x = 53,805,460.55/7,448.28
  6. Step 6: Final answer
    x = 7,223.88

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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.