Home / 4,292.87-6,430.04-2,898.54

Finding the Fourth Proportional to 4,292.87, 6,430.04 and 2,898.54

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Solution

The fourth proportional to 4,292.87, 6,430.04 and 2,898.54 is: 4,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.87 : 6,430.04 = 2,898.54 : x
  2. Step 2: Convert to fraction form
    4,292.87/6,430.04 = 2,898.54/x
  3. Step 3: Cross multiply
    4,292.87x = 6,430.04 × 2,898.54
  4. Step 4: Simplify right side
    4,292.87x = 18,637,713.65
  5. Step 5: Solve for x
    x = 18,637,713.65/4,292.87
  6. Step 6: Final answer
    x = 4,341.56

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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.