Home / 4,343.17-6,513.27-1,420.75

Finding the Fourth Proportional to 4,343.17, 6,513.27 and 1,420.75

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Solution

The fourth proportional to 4,343.17, 6,513.27 and 1,420.75 is: 2,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.17 : 6,513.27 = 1,420.75 : x
  2. Step 2: Convert to fraction form
    4,343.17/6,513.27 = 1,420.75/x
  3. Step 3: Cross multiply
    4,343.17x = 6,513.27 × 1,420.75
  4. Step 4: Simplify right side
    4,343.17x = 9,253,728.35
  5. Step 5: Solve for x
    x = 9,253,728.35/4,343.17
  6. Step 6: Final answer
    x = 2,130.64

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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.