Home / 4,622.20-6,378.64-3,298.20

Finding the Fourth Proportional to 4,622.20, 6,378.64 and 3,298.20

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Solution

The fourth proportional to 4,622.20, 6,378.64 and 3,298.20 is: 4,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.20 : 6,378.64 = 3,298.20 : x
  2. Step 2: Convert to fraction form
    4,622.20/6,378.64 = 3,298.20/x
  3. Step 3: Cross multiply
    4,622.20x = 6,378.64 × 3,298.20
  4. Step 4: Simplify right side
    4,622.20x = 21,038,030.45
  5. Step 5: Solve for x
    x = 21,038,030.45/4,622.20
  6. Step 6: Final answer
    x = 4,551.52

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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.