Home / 8,347.33-11,518.52-4,989.48

Finding the Fourth Proportional to 8,347.33, 11,518.52 and 4,989.48

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Solution

The fourth proportional to 8,347.33, 11,518.52 and 4,989.48 is: 6,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.33 : 11,518.52 = 4,989.48 : x
  2. Step 2: Convert to fraction form
    8,347.33/11,518.52 = 4,989.48/x
  3. Step 3: Cross multiply
    8,347.33x = 11,518.52 × 4,989.48
  4. Step 4: Simplify right side
    8,347.33x = 57,471,425.17
  5. Step 5: Solve for x
    x = 57,471,425.17/8,347.33
  6. Step 6: Final answer
    x = 6,885.01

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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.