Home / 5,108.67-7,660.98-1,775.93

Finding the Fourth Proportional to 5,108.67, 7,660.98 and 1,775.93

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Solution

The fourth proportional to 5,108.67, 7,660.98 and 1,775.93 is: 2,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.67 : 7,660.98 = 1,775.93 : x
  2. Step 2: Convert to fraction form
    5,108.67/7,660.98 = 1,775.93/x
  3. Step 3: Cross multiply
    5,108.67x = 7,660.98 × 1,775.93
  4. Step 4: Simplify right side
    5,108.67x = 13,605,325.91
  5. Step 5: Solve for x
    x = 13,605,325.91/5,108.67
  6. Step 6: Final answer
    x = 2,663.18

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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.