Home / 5,605.57-8,407.77-2,485.63

Finding the Fourth Proportional to 5,605.57, 8,407.77 and 2,485.63

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Solution

The fourth proportional to 5,605.57, 8,407.77 and 2,485.63 is: 3,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.57 : 8,407.77 = 2,485.63 : x
  2. Step 2: Convert to fraction form
    5,605.57/8,407.77 = 2,485.63/x
  3. Step 3: Cross multiply
    5,605.57x = 8,407.77 × 2,485.63
  4. Step 4: Simplify right side
    5,605.57x = 20,898,605.35
  5. Step 5: Solve for x
    x = 20,898,605.35/5,605.57
  6. Step 6: Final answer
    x = 3,728.19

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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.