Home / 4,892.39-7,338.55-1,605.45

Finding the Fourth Proportional to 4,892.39, 7,338.55 and 1,605.45

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Solution

The fourth proportional to 4,892.39, 7,338.55 and 1,605.45 is: 2,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.39 : 7,338.55 = 1,605.45 : x
  2. Step 2: Convert to fraction form
    4,892.39/7,338.55 = 1,605.45/x
  3. Step 3: Cross multiply
    4,892.39x = 7,338.55 × 1,605.45
  4. Step 4: Simplify right side
    4,892.39x = 11,781,675.10
  5. Step 5: Solve for x
    x = 11,781,675.10/4,892.39
  6. Step 6: Final answer
    x = 2,408.16

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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.