Home / 4,890.10-7,324.35-1,966.90

Finding the Fourth Proportional to 4,890.10, 7,324.35 and 1,966.90

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Solution

The fourth proportional to 4,890.10, 7,324.35 and 1,966.90 is: 2,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.10 : 7,324.35 = 1,966.90 : x
  2. Step 2: Convert to fraction form
    4,890.10/7,324.35 = 1,966.90/x
  3. Step 3: Cross multiply
    4,890.10x = 7,324.35 × 1,966.90
  4. Step 4: Simplify right side
    4,890.10x = 14,406,264.02
  5. Step 5: Solve for x
    x = 14,406,264.02/4,890.10
  6. Step 6: Final answer
    x = 2,946.01

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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.