Home / 4,621-6,931.56-1,543

Finding the Fourth Proportional to 4,621, 6,931.56 and 1,543

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Solution

The fourth proportional to 4,621, 6,931.56 and 1,543 is: 2,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621 : 6,931.56 = 1,543 : x
  2. Step 2: Convert to fraction form
    4,621/6,931.56 = 1,543/x
  3. Step 3: Cross multiply
    4,621x = 6,931.56 × 1,543
  4. Step 4: Simplify right side
    4,621x = 10,695,397.08
  5. Step 5: Solve for x
    x = 10,695,397.08/4,621
  6. Step 6: Final answer
    x = 2,314.52

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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.