Home / 4,753.05-7,130.79-1,830.57

Finding the Fourth Proportional to 4,753.05, 7,130.79 and 1,830.57

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Solution

The fourth proportional to 4,753.05, 7,130.79 and 1,830.57 is: 2,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.05 : 7,130.79 = 1,830.57 : x
  2. Step 2: Convert to fraction form
    4,753.05/7,130.79 = 1,830.57/x
  3. Step 3: Cross multiply
    4,753.05x = 7,130.79 × 1,830.57
  4. Step 4: Simplify right side
    4,753.05x = 13,053,410.25
  5. Step 5: Solve for x
    x = 13,053,410.25/4,753.05
  6. Step 6: Final answer
    x = 2,746.32

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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.