Home / 6,516.21-9,755.67-4,320.57

Finding the Fourth Proportional to 6,516.21, 9,755.67 and 4,320.57

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Solution

The fourth proportional to 6,516.21, 9,755.67 and 4,320.57 is: 6,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.21 : 9,755.67 = 4,320.57 : x
  2. Step 2: Convert to fraction form
    6,516.21/9,755.67 = 4,320.57/x
  3. Step 3: Cross multiply
    6,516.21x = 9,755.67 × 4,320.57
  4. Step 4: Simplify right side
    6,516.21x = 42,150,055.13
  5. Step 5: Solve for x
    x = 42,150,055.13/6,516.21
  6. Step 6: Final answer
    x = 6,468.49

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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.