Home / 5,031.56-7,548.42-1,521.84

Finding the Fourth Proportional to 5,031.56, 7,548.42 and 1,521.84

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Solution

The fourth proportional to 5,031.56, 7,548.42 and 1,521.84 is: 2,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.56 : 7,548.42 = 1,521.84 : x
  2. Step 2: Convert to fraction form
    5,031.56/7,548.42 = 1,521.84/x
  3. Step 3: Cross multiply
    5,031.56x = 7,548.42 × 1,521.84
  4. Step 4: Simplify right side
    5,031.56x = 11,487,487.49
  5. Step 5: Solve for x
    x = 11,487,487.49/5,031.56
  6. Step 6: Final answer
    x = 2,283.09

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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.