Home / 7,323.89-10,985.75-1,777.29

Finding the Fourth Proportional to 7,323.89, 10,985.75 and 1,777.29

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Solution

The fourth proportional to 7,323.89, 10,985.75 and 1,777.29 is: 2,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.89 : 10,985.75 = 1,777.29 : x
  2. Step 2: Convert to fraction form
    7,323.89/10,985.75 = 1,777.29/x
  3. Step 3: Cross multiply
    7,323.89x = 10,985.75 × 1,777.29
  4. Step 4: Simplify right side
    7,323.89x = 19,524,854.73
  5. Step 5: Solve for x
    x = 19,524,854.73/7,323.89
  6. Step 6: Final answer
    x = 2,665.91

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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.