Home / 8,465.88-11,679.58-5,277.32

Finding the Fourth Proportional to 8,465.88, 11,679.58 and 5,277.32

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Solution

The fourth proportional to 8,465.88, 11,679.58 and 5,277.32 is: 7,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.88 : 11,679.58 = 5,277.32 : x
  2. Step 2: Convert to fraction form
    8,465.88/11,679.58 = 5,277.32/x
  3. Step 3: Cross multiply
    8,465.88x = 11,679.58 × 5,277.32
  4. Step 4: Simplify right side
    8,465.88x = 61,636,796.34
  5. Step 5: Solve for x
    x = 61,636,796.34/8,465.88
  6. Step 6: Final answer
    x = 7,280.61

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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.