Home / 5,180.16-7,772.04-1,717.68

Finding the Fourth Proportional to 5,180.16, 7,772.04 and 1,717.68

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Solution

The fourth proportional to 5,180.16, 7,772.04 and 1,717.68 is: 2,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.16 : 7,772.04 = 1,717.68 : x
  2. Step 2: Convert to fraction form
    5,180.16/7,772.04 = 1,717.68/x
  3. Step 3: Cross multiply
    5,180.16x = 7,772.04 × 1,717.68
  4. Step 4: Simplify right side
    5,180.16x = 13,349,877.67
  5. Step 5: Solve for x
    x = 13,349,877.67/5,180.16
  6. Step 6: Final answer
    x = 2,577.12

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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.