Home / 4,426.20-6,639.30-4,361.40

Finding the Fourth Proportional to 4,426.20, 6,639.30 and 4,361.40

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Solution

The fourth proportional to 4,426.20, 6,639.30 and 4,361.40 is: 6,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.20 : 6,639.30 = 4,361.40 : x
  2. Step 2: Convert to fraction form
    4,426.20/6,639.30 = 4,361.40/x
  3. Step 3: Cross multiply
    4,426.20x = 6,639.30 × 4,361.40
  4. Step 4: Simplify right side
    4,426.20x = 28,956,643.02
  5. Step 5: Solve for x
    x = 28,956,643.02/4,426.20
  6. Step 6: Final answer
    x = 6,542.10

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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.