Home / 6,521.69-9,784.36-3,190.16

Finding the Fourth Proportional to 6,521.69, 9,784.36 and 3,190.16

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Solution

The fourth proportional to 6,521.69, 9,784.36 and 3,190.16 is: 4,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.69 : 9,784.36 = 3,190.16 : x
  2. Step 2: Convert to fraction form
    6,521.69/9,784.36 = 3,190.16/x
  3. Step 3: Cross multiply
    6,521.69x = 9,784.36 × 3,190.16
  4. Step 4: Simplify right side
    6,521.69x = 31,213,673.90
  5. Step 5: Solve for x
    x = 31,213,673.90/6,521.69
  6. Step 6: Final answer
    x = 4,786.13

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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.