Home / 6,477.14-9,718.25-5,239.30

Finding the Fourth Proportional to 6,477.14, 9,718.25 and 5,239.30

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Solution

The fourth proportional to 6,477.14, 9,718.25 and 5,239.30 is: 7,860.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.14 : 9,718.25 = 5,239.30 : x
  2. Step 2: Convert to fraction form
    6,477.14/9,718.25 = 5,239.30/x
  3. Step 3: Cross multiply
    6,477.14x = 9,718.25 × 5,239.30
  4. Step 4: Simplify right side
    6,477.14x = 50,916,752.44
  5. Step 5: Solve for x
    x = 50,916,752.44/6,477.14
  6. Step 6: Final answer
    x = 7,860.99

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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.