Home / 6,518.93-9,776.88-3,887.17

Finding the Fourth Proportional to 6,518.93, 9,776.88 and 3,887.17

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Solution

The fourth proportional to 6,518.93, 9,776.88 and 3,887.17 is: 5,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.93 : 9,776.88 = 3,887.17 : x
  2. Step 2: Convert to fraction form
    6,518.93/9,776.88 = 3,887.17/x
  3. Step 3: Cross multiply
    6,518.93x = 9,776.88 × 3,887.17
  4. Step 4: Simplify right side
    6,518.93x = 38,004,370.19
  5. Step 5: Solve for x
    x = 38,004,370.19/6,518.93
  6. Step 6: Final answer
    x = 5,829.85

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1.5x scale

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.