Home / 7,450.20-10,283.12-4,308.20

Finding the Fourth Proportional to 7,450.20, 10,283.12 and 4,308.20

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Solution

The fourth proportional to 7,450.20, 10,283.12 and 4,308.20 is: 5,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.20 : 10,283.12 = 4,308.20 : x
  2. Step 2: Convert to fraction form
    7,450.20/10,283.12 = 4,308.20/x
  3. Step 3: Cross multiply
    7,450.20x = 10,283.12 × 4,308.20
  4. Step 4: Simplify right side
    7,450.20x = 44,301,737.58
  5. Step 5: Solve for x
    x = 44,301,737.58/7,450.20
  6. Step 6: Final answer
    x = 5,946.38

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Double scale
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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.