Home / 7,369.29-11,053.53-2,985.57

Finding the Fourth Proportional to 7,369.29, 11,053.53 and 2,985.57

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Solution

The fourth proportional to 7,369.29, 11,053.53 and 2,985.57 is: 4,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.29 : 11,053.53 = 2,985.57 : x
  2. Step 2: Convert to fraction form
    7,369.29/11,053.53 = 2,985.57/x
  3. Step 3: Cross multiply
    7,369.29x = 11,053.53 × 2,985.57
  4. Step 4: Simplify right side
    7,369.29x = 33,001,087.56
  5. Step 5: Solve for x
    x = 33,001,087.56/7,369.29
  6. Step 6: Final answer
    x = 4,478.19

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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.