Home / 4,262.64-6,392.40-1,488.79

Finding the Fourth Proportional to 4,262.64, 6,392.40 and 1,488.79

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Solution

The fourth proportional to 4,262.64, 6,392.40 and 1,488.79 is: 2,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.64 : 6,392.40 = 1,488.79 : x
  2. Step 2: Convert to fraction form
    4,262.64/6,392.40 = 1,488.79/x
  3. Step 3: Cross multiply
    4,262.64x = 6,392.40 × 1,488.79
  4. Step 4: Simplify right side
    4,262.64x = 9,516,941.20
  5. Step 5: Solve for x
    x = 9,516,941.20/4,262.64
  6. Step 6: Final answer
    x = 2,232.64

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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.