Home / 4,646.21-6,972.21-4,629.20

Finding the Fourth Proportional to 4,646.21, 6,972.21 and 4,629.20

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Solution

The fourth proportional to 4,646.21, 6,972.21 and 4,629.20 is: 6,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,646.21 : 6,972.21 = 4,629.20 : x
  2. Step 2: Convert to fraction form
    4,646.21/6,972.21 = 4,629.20/x
  3. Step 3: Cross multiply
    4,646.21x = 6,972.21 × 4,629.20
  4. Step 4: Simplify right side
    4,646.21x = 32,275,719.67
  5. Step 5: Solve for x
    x = 32,275,719.67/4,646.21
  6. Step 6: Final answer
    x = 6,946.68

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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.