Home / 4,973.40-7,451.10-3,940.20

Finding the Fourth Proportional to 4,973.40, 7,451.10 and 3,940.20

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Solution

The fourth proportional to 4,973.40, 7,451.10 and 3,940.20 is: 5,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.40 : 7,451.10 = 3,940.20 : x
  2. Step 2: Convert to fraction form
    4,973.40/7,451.10 = 3,940.20/x
  3. Step 3: Cross multiply
    4,973.40x = 7,451.10 × 3,940.20
  4. Step 4: Simplify right side
    4,973.40x = 29,358,824.22
  5. Step 5: Solve for x
    x = 29,358,824.22/4,973.40
  6. Step 6: Final answer
    x = 5,903.17

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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.