Home / 4,252.01-6,378.59-1,478.32

Finding the Fourth Proportional to 4,252.01, 6,378.59 and 1,478.32

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Solution

The fourth proportional to 4,252.01, 6,378.59 and 1,478.32 is: 2,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.01 : 6,378.59 = 1,478.32 : x
  2. Step 2: Convert to fraction form
    4,252.01/6,378.59 = 1,478.32/x
  3. Step 3: Cross multiply
    4,252.01x = 6,378.59 × 1,478.32
  4. Step 4: Simplify right side
    4,252.01x = 9,429,587.98
  5. Step 5: Solve for x
    x = 9,429,587.98/4,252.01
  6. Step 6: Final answer
    x = 2,217.68

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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.