Home / 4,898.98-7,347.07-1,388.76

Finding the Fourth Proportional to 4,898.98, 7,347.07 and 1,388.76

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Solution

The fourth proportional to 4,898.98, 7,347.07 and 1,388.76 is: 2,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.98 : 7,347.07 = 1,388.76 : x
  2. Step 2: Convert to fraction form
    4,898.98/7,347.07 = 1,388.76/x
  3. Step 3: Cross multiply
    4,898.98x = 7,347.07 × 1,388.76
  4. Step 4: Simplify right side
    4,898.98x = 10,203,316.93
  5. Step 5: Solve for x
    x = 10,203,316.93/4,898.98
  6. Step 6: Final answer
    x = 2,082.74

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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.