Home / 4,200.10-6,300.15-2,904.10

Finding the Fourth Proportional to 4,200.10, 6,300.15 and 2,904.10

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Solution

The fourth proportional to 4,200.10, 6,300.15 and 2,904.10 is: 4,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.10 : 6,300.15 = 2,904.10 : x
  2. Step 2: Convert to fraction form
    4,200.10/6,300.15 = 2,904.10/x
  3. Step 3: Cross multiply
    4,200.10x = 6,300.15 × 2,904.10
  4. Step 4: Simplify right side
    4,200.10x = 18,296,265.62
  5. Step 5: Solve for x
    x = 18,296,265.62/4,200.10
  6. Step 6: Final answer
    x = 4,356.15

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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.