Home / 4,927.74-7,386.91-1,638.53

Finding the Fourth Proportional to 4,927.74, 7,386.91 and 1,638.53

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Solution

The fourth proportional to 4,927.74, 7,386.91 and 1,638.53 is: 2,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.74 : 7,386.91 = 1,638.53 : x
  2. Step 2: Convert to fraction form
    4,927.74/7,386.91 = 1,638.53/x
  3. Step 3: Cross multiply
    4,927.74x = 7,386.91 × 1,638.53
  4. Step 4: Simplify right side
    4,927.74x = 12,103,688.01
  5. Step 5: Solve for x
    x = 12,103,688.01/4,927.74
  6. Step 6: Final answer
    x = 2,456.24

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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.