Home / 6,277.15-8,658.84-5,208.81

Finding the Fourth Proportional to 6,277.15, 8,658.84 and 5,208.81

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Solution

The fourth proportional to 6,277.15, 8,658.84 and 5,208.81 is: 7,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.15 : 8,658.84 = 5,208.81 : x
  2. Step 2: Convert to fraction form
    6,277.15/8,658.84 = 5,208.81/x
  3. Step 3: Cross multiply
    6,277.15x = 8,658.84 × 5,208.81
  4. Step 4: Simplify right side
    6,277.15x = 45,102,252.38
  5. Step 5: Solve for x
    x = 45,102,252.38/6,277.15
  6. Step 6: Final answer
    x = 7,185.15

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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.