Home / 5,031.90-7,548.53-2,109.51

Finding the Fourth Proportional to 5,031.90, 7,548.53 and 2,109.51

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Solution

The fourth proportional to 5,031.90, 7,548.53 and 2,109.51 is: 3,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.90 : 7,548.53 = 2,109.51 : x
  2. Step 2: Convert to fraction form
    5,031.90/7,548.53 = 2,109.51/x
  3. Step 3: Cross multiply
    5,031.90x = 7,548.53 × 2,109.51
  4. Step 4: Simplify right side
    5,031.90x = 15,923,688.97
  5. Step 5: Solve for x
    x = 15,923,688.97/5,031.90
  6. Step 6: Final answer
    x = 3,164.55

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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.