Home / 5,302.96-7,954.60-1,605.20

Finding the Fourth Proportional to 5,302.96, 7,954.60 and 1,605.20

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Solution

The fourth proportional to 5,302.96, 7,954.60 and 1,605.20 is: 2,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.96 : 7,954.60 = 1,605.20 : x
  2. Step 2: Convert to fraction form
    5,302.96/7,954.60 = 1,605.20/x
  3. Step 3: Cross multiply
    5,302.96x = 7,954.60 × 1,605.20
  4. Step 4: Simplify right side
    5,302.96x = 12,768,723.92
  5. Step 5: Solve for x
    x = 12,768,723.92/5,302.96
  6. Step 6: Final answer
    x = 2,407.85

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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.