Home / 6,628.40-9,944.28-1,948.57

Finding the Fourth Proportional to 6,628.40, 9,944.28 and 1,948.57

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Solution

The fourth proportional to 6,628.40, 9,944.28 and 1,948.57 is: 2,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.40 : 9,944.28 = 1,948.57 : x
  2. Step 2: Convert to fraction form
    6,628.40/9,944.28 = 1,948.57/x
  3. Step 3: Cross multiply
    6,628.40x = 9,944.28 × 1,948.57
  4. Step 4: Simplify right side
    6,628.40x = 19,377,066.22
  5. Step 5: Solve for x
    x = 19,377,066.22/6,628.40
  6. Step 6: Final answer
    x = 2,923.34

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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.