Home / 7,323.30-10,985.09-2,643.66

Finding the Fourth Proportional to 7,323.30, 10,985.09 and 2,643.66

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Solution

The fourth proportional to 7,323.30, 10,985.09 and 2,643.66 is: 3,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.30 : 10,985.09 = 2,643.66 : x
  2. Step 2: Convert to fraction form
    7,323.30/10,985.09 = 2,643.66/x
  3. Step 3: Cross multiply
    7,323.30x = 10,985.09 × 2,643.66
  4. Step 4: Simplify right side
    7,323.30x = 29,040,829.81
  5. Step 5: Solve for x
    x = 29,040,829.81/7,323.30
  6. Step 6: Final answer
    x = 3,965.54

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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.