Home / 6,819.30-9,407.46-4,429.11

Finding the Fourth Proportional to 6,819.30, 9,407.46 and 4,429.11

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Solution

The fourth proportional to 6,819.30, 9,407.46 and 4,429.11 is: 6,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.30 : 9,407.46 = 4,429.11 : x
  2. Step 2: Convert to fraction form
    6,819.30/9,407.46 = 4,429.11/x
  3. Step 3: Cross multiply
    6,819.30x = 9,407.46 × 4,429.11
  4. Step 4: Simplify right side
    6,819.30x = 41,666,628.12
  5. Step 5: Solve for x
    x = 41,666,628.12/6,819.30
  6. Step 6: Final answer
    x = 6,110.10

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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.