Home / 4,428.86-6,640.54-1,654.10

Finding the Fourth Proportional to 4,428.86, 6,640.54 and 1,654.10

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Solution

The fourth proportional to 4,428.86, 6,640.54 and 1,654.10 is: 2,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.86 : 6,640.54 = 1,654.10 : x
  2. Step 2: Convert to fraction form
    4,428.86/6,640.54 = 1,654.10/x
  3. Step 3: Cross multiply
    4,428.86x = 6,640.54 × 1,654.10
  4. Step 4: Simplify right side
    4,428.86x = 10,984,117.21
  5. Step 5: Solve for x
    x = 10,984,117.21/4,428.86
  6. Step 6: Final answer
    x = 2,480.12

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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.