Home / 6,499.37-8,960.99-5,424.18

Finding the Fourth Proportional to 6,499.37, 8,960.99 and 5,424.18

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Solution

The fourth proportional to 6,499.37, 8,960.99 and 5,424.18 is: 7,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,499.37 : 8,960.99 = 5,424.18 : x
  2. Step 2: Convert to fraction form
    6,499.37/8,960.99 = 5,424.18/x
  3. Step 3: Cross multiply
    6,499.37x = 8,960.99 × 5,424.18
  4. Step 4: Simplify right side
    6,499.37x = 48,605,995.62
  5. Step 5: Solve for x
    x = 48,605,995.62/6,499.37
  6. Step 6: Final answer
    x = 7,478.58

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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.