Home / 5,031.56-7,536-2,429.84

Finding the Fourth Proportional to 5,031.56, 7,536 and 2,429.84

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Solution

The fourth proportional to 5,031.56, 7,536 and 2,429.84 is: 3,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.56 : 7,536 = 2,429.84 : x
  2. Step 2: Convert to fraction form
    5,031.56/7,536 = 2,429.84/x
  3. Step 3: Cross multiply
    5,031.56x = 7,536 × 2,429.84
  4. Step 4: Simplify right side
    5,031.56x = 18,311,274.24
  5. Step 5: Solve for x
    x = 18,311,274.24/5,031.56
  6. Step 6: Final answer
    x = 3,639.28

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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.