Home / 4,378.48-6,028.32-4,080.40

Finding the Fourth Proportional to 4,378.48, 6,028.32 and 4,080.40

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Solution

The fourth proportional to 4,378.48, 6,028.32 and 4,080.40 is: 5,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.48 : 6,028.32 = 4,080.40 : x
  2. Step 2: Convert to fraction form
    4,378.48/6,028.32 = 4,080.40/x
  3. Step 3: Cross multiply
    4,378.48x = 6,028.32 × 4,080.40
  4. Step 4: Simplify right side
    4,378.48x = 24,597,956.93
  5. Step 5: Solve for x
    x = 24,597,956.93/4,378.48
  6. Step 6: Final answer
    x = 5,617.92

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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.