Home / 5,723.55-7,899.08-3,485.57

Finding the Fourth Proportional to 5,723.55, 7,899.08 and 3,485.57

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Solution

The fourth proportional to 5,723.55, 7,899.08 and 3,485.57 is: 4,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.55 : 7,899.08 = 3,485.57 : x
  2. Step 2: Convert to fraction form
    5,723.55/7,899.08 = 3,485.57/x
  3. Step 3: Cross multiply
    5,723.55x = 7,899.08 × 3,485.57
  4. Step 4: Simplify right side
    5,723.55x = 27,532,739.35
  5. Step 5: Solve for x
    x = 27,532,739.35/5,723.55
  6. Step 6: Final answer
    x = 4,810.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.