Home / 5,328.06-7,988.63-2,207.22

Finding the Fourth Proportional to 5,328.06, 7,988.63 and 2,207.22

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Solution

The fourth proportional to 5,328.06, 7,988.63 and 2,207.22 is: 3,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.06 : 7,988.63 = 2,207.22 : x
  2. Step 2: Convert to fraction form
    5,328.06/7,988.63 = 2,207.22/x
  3. Step 3: Cross multiply
    5,328.06x = 7,988.63 × 2,207.22
  4. Step 4: Simplify right side
    5,328.06x = 17,632,663.91
  5. Step 5: Solve for x
    x = 17,632,663.91/5,328.06
  6. Step 6: Final answer
    x = 3,309.40

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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.