Home / 4,985.42-7,471.08-2,765.23

Finding the Fourth Proportional to 4,985.42, 7,471.08 and 2,765.23

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Solution

The fourth proportional to 4,985.42, 7,471.08 and 2,765.23 is: 4,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.42 : 7,471.08 = 2,765.23 : x
  2. Step 2: Convert to fraction form
    4,985.42/7,471.08 = 2,765.23/x
  3. Step 3: Cross multiply
    4,985.42x = 7,471.08 × 2,765.23
  4. Step 4: Simplify right side
    4,985.42x = 20,659,254.55
  5. Step 5: Solve for x
    x = 20,659,254.55/4,985.42
  6. Step 6: Final answer
    x = 4,143.93

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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.