Home / 4,543.19-6,815.47-1,621.27

Finding the Fourth Proportional to 4,543.19, 6,815.47 and 1,621.27

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Solution

The fourth proportional to 4,543.19, 6,815.47 and 1,621.27 is: 2,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.19 : 6,815.47 = 1,621.27 : x
  2. Step 2: Convert to fraction form
    4,543.19/6,815.47 = 1,621.27/x
  3. Step 3: Cross multiply
    4,543.19x = 6,815.47 × 1,621.27
  4. Step 4: Simplify right side
    4,543.19x = 11,049,681.66
  5. Step 5: Solve for x
    x = 11,049,681.66/4,543.19
  6. Step 6: Final answer
    x = 2,432.14

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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.