Home / 4,419.32-6,628.77-1,299.20

Finding the Fourth Proportional to 4,419.32, 6,628.77 and 1,299.20

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Solution

The fourth proportional to 4,419.32, 6,628.77 and 1,299.20 is: 1,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.32 : 6,628.77 = 1,299.20 : x
  2. Step 2: Convert to fraction form
    4,419.32/6,628.77 = 1,299.20/x
  3. Step 3: Cross multiply
    4,419.32x = 6,628.77 × 1,299.20
  4. Step 4: Simplify right side
    4,419.32x = 8,612,097.98
  5. Step 5: Solve for x
    x = 8,612,097.98/4,419.32
  6. Step 6: Final answer
    x = 1,948.74

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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.