Home / 4,687.38-7,031.88-2,090.22

Finding the Fourth Proportional to 4,687.38, 7,031.88 and 2,090.22

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Solution

The fourth proportional to 4,687.38, 7,031.88 and 2,090.22 is: 3,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.38 : 7,031.88 = 2,090.22 : x
  2. Step 2: Convert to fraction form
    4,687.38/7,031.88 = 2,090.22/x
  3. Step 3: Cross multiply
    4,687.38x = 7,031.88 × 2,090.22
  4. Step 4: Simplify right side
    4,687.38x = 14,698,176.21
  5. Step 5: Solve for x
    x = 14,698,176.21/4,687.38
  6. Step 6: Final answer
    x = 3,135.69

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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.