Home / 4,277.31-6,416.15-1,355.55

Finding the Fourth Proportional to 4,277.31, 6,416.15 and 1,355.55

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Solution

The fourth proportional to 4,277.31, 6,416.15 and 1,355.55 is: 2,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.31 : 6,416.15 = 1,355.55 : x
  2. Step 2: Convert to fraction form
    4,277.31/6,416.15 = 1,355.55/x
  3. Step 3: Cross multiply
    4,277.31x = 6,416.15 × 1,355.55
  4. Step 4: Simplify right side
    4,277.31x = 8,697,439.58
  5. Step 5: Solve for x
    x = 8,697,439.58/4,277.31
  6. Step 6: Final answer
    x = 2,033.39

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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.