Home / 4,288.95-6,429.78-2,339.28

Finding the Fourth Proportional to 4,288.95, 6,429.78 and 2,339.28

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Solution

The fourth proportional to 4,288.95, 6,429.78 and 2,339.28 is: 3,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.95 : 6,429.78 = 2,339.28 : x
  2. Step 2: Convert to fraction form
    4,288.95/6,429.78 = 2,339.28/x
  3. Step 3: Cross multiply
    4,288.95x = 6,429.78 × 2,339.28
  4. Step 4: Simplify right side
    4,288.95x = 15,041,055.76
  5. Step 5: Solve for x
    x = 15,041,055.76/4,288.95
  6. Step 6: Final answer
    x = 3,506.93

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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.