Home / 4,312.78-6,468.63-1,713.76

Finding the Fourth Proportional to 4,312.78, 6,468.63 and 1,713.76

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Solution

The fourth proportional to 4,312.78, 6,468.63 and 1,713.76 is: 2,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.78 : 6,468.63 = 1,713.76 : x
  2. Step 2: Convert to fraction form
    4,312.78/6,468.63 = 1,713.76/x
  3. Step 3: Cross multiply
    4,312.78x = 6,468.63 × 1,713.76
  4. Step 4: Simplify right side
    4,312.78x = 11,085,679.35
  5. Step 5: Solve for x
    x = 11,085,679.35/4,312.78
  6. Step 6: Final answer
    x = 2,570.43

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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.