Home / 4,356.45-6,538.28-2,020.05

Finding the Fourth Proportional to 4,356.45, 6,538.28 and 2,020.05

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Solution

The fourth proportional to 4,356.45, 6,538.28 and 2,020.05 is: 3,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.45 : 6,538.28 = 2,020.05 : x
  2. Step 2: Convert to fraction form
    4,356.45/6,538.28 = 2,020.05/x
  3. Step 3: Cross multiply
    4,356.45x = 6,538.28 × 2,020.05
  4. Step 4: Simplify right side
    4,356.45x = 13,207,642.41
  5. Step 5: Solve for x
    x = 13,207,642.41/4,356.45
  6. Step 6: Final answer
    x = 3,031.74

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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.