Home / 8,615.16-11,887.40-4,838.49

Finding the Fourth Proportional to 8,615.16, 11,887.40 and 4,838.49

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Solution

The fourth proportional to 8,615.16, 11,887.40 and 4,838.49 is: 6,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.16 : 11,887.40 = 4,838.49 : x
  2. Step 2: Convert to fraction form
    8,615.16/11,887.40 = 4,838.49/x
  3. Step 3: Cross multiply
    8,615.16x = 11,887.40 × 4,838.49
  4. Step 4: Simplify right side
    8,615.16x = 57,517,078.12
  5. Step 5: Solve for x
    x = 57,517,078.12/8,615.16
  6. Step 6: Final answer
    x = 6,676.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.