Home / 4,275.86-6,399.81-2,298.65

Finding the Fourth Proportional to 4,275.86, 6,399.81 and 2,298.65

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Solution

The fourth proportional to 4,275.86, 6,399.81 and 2,298.65 is: 3,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.86 : 6,399.81 = 2,298.65 : x
  2. Step 2: Convert to fraction form
    4,275.86/6,399.81 = 2,298.65/x
  3. Step 3: Cross multiply
    4,275.86x = 6,399.81 × 2,298.65
  4. Step 4: Simplify right side
    4,275.86x = 14,710,891.26
  5. Step 5: Solve for x
    x = 14,710,891.26/4,275.86
  6. Step 6: Final answer
    x = 3,440.46

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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.