Home / 4,802.72-7,205.16-2,206.40

Finding the Fourth Proportional to 4,802.72, 7,205.16 and 2,206.40

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Solution

The fourth proportional to 4,802.72, 7,205.16 and 2,206.40 is: 3,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.72 : 7,205.16 = 2,206.40 : x
  2. Step 2: Convert to fraction form
    4,802.72/7,205.16 = 2,206.40/x
  3. Step 3: Cross multiply
    4,802.72x = 7,205.16 × 2,206.40
  4. Step 4: Simplify right side
    4,802.72x = 15,897,465.02
  5. Step 5: Solve for x
    x = 15,897,465.02/4,802.72
  6. Step 6: Final answer
    x = 3,310.10

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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.