Home / 9,140.64-13,708.83-2,899.48

Finding the Fourth Proportional to 9,140.64, 13,708.83 and 2,899.48

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Solution

The fourth proportional to 9,140.64, 13,708.83 and 2,899.48 is: 4,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.64 : 13,708.83 = 2,899.48 : x
  2. Step 2: Convert to fraction form
    9,140.64/13,708.83 = 2,899.48/x
  3. Step 3: Cross multiply
    9,140.64x = 13,708.83 × 2,899.48
  4. Step 4: Simplify right side
    9,140.64x = 39,748,478.41
  5. Step 5: Solve for x
    x = 39,748,478.41/9,140.64
  6. Step 6: Final answer
    x = 4,348.54

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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.