Home / 4,662.50-6,434.20-2,646.30

Finding the Fourth Proportional to 4,662.50, 6,434.20 and 2,646.30

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Solution

The fourth proportional to 4,662.50, 6,434.20 and 2,646.30 is: 3,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.50 : 6,434.20 = 2,646.30 : x
  2. Step 2: Convert to fraction form
    4,662.50/6,434.20 = 2,646.30/x
  3. Step 3: Cross multiply
    4,662.50x = 6,434.20 × 2,646.30
  4. Step 4: Simplify right side
    4,662.50x = 17,026,823.46
  5. Step 5: Solve for x
    x = 17,026,823.46/4,662.50
  6. Step 6: Final answer
    x = 3,651.87

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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.