Home / 4,256.40-6,384.60-1,334.70

Finding the Fourth Proportional to 4,256.40, 6,384.60 and 1,334.70

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Solution

The fourth proportional to 4,256.40, 6,384.60 and 1,334.70 is: 2,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.40 : 6,384.60 = 1,334.70 : x
  2. Step 2: Convert to fraction form
    4,256.40/6,384.60 = 1,334.70/x
  3. Step 3: Cross multiply
    4,256.40x = 6,384.60 × 1,334.70
  4. Step 4: Simplify right side
    4,256.40x = 8,521,525.62
  5. Step 5: Solve for x
    x = 8,521,525.62/4,256.40
  6. Step 6: Final answer
    x = 2,002.05

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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.