Home / 6,426.20-8,860.38-4,433.60

Finding the Fourth Proportional to 6,426.20, 8,860.38 and 4,433.60

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Solution

The fourth proportional to 6,426.20, 8,860.38 and 4,433.60 is: 6,113.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.20 : 8,860.38 = 4,433.60 : x
  2. Step 2: Convert to fraction form
    6,426.20/8,860.38 = 4,433.60/x
  3. Step 3: Cross multiply
    6,426.20x = 8,860.38 × 4,433.60
  4. Step 4: Simplify right side
    6,426.20x = 39,283,380.77
  5. Step 5: Solve for x
    x = 39,283,380.77/6,426.20
  6. Step 6: Final answer
    x = 6,113.00

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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.