Home / 7,378.45-10,182.25-4,394.41

Finding the Fourth Proportional to 7,378.45, 10,182.25 and 4,394.41

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Solution

The fourth proportional to 7,378.45, 10,182.25 and 4,394.41 is: 6,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.45 : 10,182.25 = 4,394.41 : x
  2. Step 2: Convert to fraction form
    7,378.45/10,182.25 = 4,394.41/x
  3. Step 3: Cross multiply
    7,378.45x = 10,182.25 × 4,394.41
  4. Step 4: Simplify right side
    7,378.45x = 44,744,944.78
  5. Step 5: Solve for x
    x = 44,744,944.78/7,378.45
  6. Step 6: Final answer
    x = 6,064.28

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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.