Home / 8,455.14-11,669.93-4,918.81

Finding the Fourth Proportional to 8,455.14, 11,669.93 and 4,918.81

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Solution

The fourth proportional to 8,455.14, 11,669.93 and 4,918.81 is: 6,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.14 : 11,669.93 = 4,918.81 : x
  2. Step 2: Convert to fraction form
    8,455.14/11,669.93 = 4,918.81/x
  3. Step 3: Cross multiply
    8,455.14x = 11,669.93 × 4,918.81
  4. Step 4: Simplify right side
    8,455.14x = 57,402,143.79
  5. Step 5: Solve for x
    x = 57,402,143.79/8,455.14
  6. Step 6: Final answer
    x = 6,789.03

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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.