Home / 8,777.16-13,170.60-5,258.52

Finding the Fourth Proportional to 8,777.16, 13,170.60 and 5,258.52

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Solution

The fourth proportional to 8,777.16, 13,170.60 and 5,258.52 is: 7,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.16 : 13,170.60 = 5,258.52 : x
  2. Step 2: Convert to fraction form
    8,777.16/13,170.60 = 5,258.52/x
  3. Step 3: Cross multiply
    8,777.16x = 13,170.60 × 5,258.52
  4. Step 4: Simplify right side
    8,777.16x = 69,257,863.51
  5. Step 5: Solve for x
    x = 69,257,863.51/8,777.16
  6. Step 6: Final answer
    x = 7,890.69

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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.