Home / 4,353.48-6,528.60-1,431

Finding the Fourth Proportional to 4,353.48, 6,528.60 and 1,431

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Solution

The fourth proportional to 4,353.48, 6,528.60 and 1,431 is: 2,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.48 : 6,528.60 = 1,431 : x
  2. Step 2: Convert to fraction form
    4,353.48/6,528.60 = 1,431/x
  3. Step 3: Cross multiply
    4,353.48x = 6,528.60 × 1,431
  4. Step 4: Simplify right side
    4,353.48x = 9,342,426.60
  5. Step 5: Solve for x
    x = 9,342,426.60/4,353.48
  6. Step 6: Final answer
    x = 2,145.97

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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.