Home / 7,458.30-11,187.45-6,802.20

Finding the Fourth Proportional to 7,458.30, 11,187.45 and 6,802.20

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Solution

The fourth proportional to 7,458.30, 11,187.45 and 6,802.20 is: 10,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.30 : 11,187.45 = 6,802.20 : x
  2. Step 2: Convert to fraction form
    7,458.30/11,187.45 = 6,802.20/x
  3. Step 3: Cross multiply
    7,458.30x = 11,187.45 × 6,802.20
  4. Step 4: Simplify right side
    7,458.30x = 76,099,272.39
  5. Step 5: Solve for x
    x = 76,099,272.39/7,458.30
  6. Step 6: Final answer
    x = 10,203.30

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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.