Home / 6,430.91-9,647.13-2,270.06

Finding the Fourth Proportional to 6,430.91, 9,647.13 and 2,270.06

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Solution

The fourth proportional to 6,430.91, 9,647.13 and 2,270.06 is: 3,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.91 : 9,647.13 = 2,270.06 : x
  2. Step 2: Convert to fraction form
    6,430.91/9,647.13 = 2,270.06/x
  3. Step 3: Cross multiply
    6,430.91x = 9,647.13 × 2,270.06
  4. Step 4: Simplify right side
    6,430.91x = 21,899,515.69
  5. Step 5: Solve for x
    x = 21,899,515.69/6,430.91
  6. Step 6: Final answer
    x = 3,405.36

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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.