Home / 7,767.17-11,652.57-2,220.59

Finding the Fourth Proportional to 7,767.17, 11,652.57 and 2,220.59

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Solution

The fourth proportional to 7,767.17, 11,652.57 and 2,220.59 is: 3,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.17 : 11,652.57 = 2,220.59 : x
  2. Step 2: Convert to fraction form
    7,767.17/11,652.57 = 2,220.59/x
  3. Step 3: Cross multiply
    7,767.17x = 11,652.57 × 2,220.59
  4. Step 4: Simplify right side
    7,767.17x = 25,875,580.42
  5. Step 5: Solve for x
    x = 25,875,580.42/7,767.17
  6. Step 6: Final answer
    x = 3,331.40

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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.