Home / 4,636.76-6,395.34-3,378.20

Finding the Fourth Proportional to 4,636.76, 6,395.34 and 3,378.20

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Solution

The fourth proportional to 4,636.76, 6,395.34 and 3,378.20 is: 4,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.76 : 6,395.34 = 3,378.20 : x
  2. Step 2: Convert to fraction form
    4,636.76/6,395.34 = 3,378.20/x
  3. Step 3: Cross multiply
    4,636.76x = 6,395.34 × 3,378.20
  4. Step 4: Simplify right side
    4,636.76x = 21,604,737.59
  5. Step 5: Solve for x
    x = 21,604,737.59/4,636.76
  6. Step 6: Final answer
    x = 4,659.45

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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.