Home / 4,687.56-7,031.34-2,740.32

Finding the Fourth Proportional to 4,687.56, 7,031.34 and 2,740.32

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Solution

The fourth proportional to 4,687.56, 7,031.34 and 2,740.32 is: 4,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.56 : 7,031.34 = 2,740.32 : x
  2. Step 2: Convert to fraction form
    4,687.56/7,031.34 = 2,740.32/x
  3. Step 3: Cross multiply
    4,687.56x = 7,031.34 × 2,740.32
  4. Step 4: Simplify right side
    4,687.56x = 19,268,121.63
  5. Step 5: Solve for x
    x = 19,268,121.63/4,687.56
  6. Step 6: Final answer
    x = 4,110.48

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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.