Home / 4,419.07-6,628.39-1,298.95

Finding the Fourth Proportional to 4,419.07, 6,628.39 and 1,298.95

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Solution

The fourth proportional to 4,419.07, 6,628.39 and 1,298.95 is: 1,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.07 : 6,628.39 = 1,298.95 : x
  2. Step 2: Convert to fraction form
    4,419.07/6,628.39 = 1,298.95/x
  3. Step 3: Cross multiply
    4,419.07x = 6,628.39 × 1,298.95
  4. Step 4: Simplify right side
    4,419.07x = 8,609,947.19
  5. Step 5: Solve for x
    x = 8,609,947.19/4,419.07
  6. Step 6: Final answer
    x = 1,948.36

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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.