Home / 7,269.09-10,888.13-3,515.19

Finding the Fourth Proportional to 7,269.09, 10,888.13 and 3,515.19

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Solution

The fourth proportional to 7,269.09, 10,888.13 and 3,515.19 is: 5,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.09 : 10,888.13 = 3,515.19 : x
  2. Step 2: Convert to fraction form
    7,269.09/10,888.13 = 3,515.19/x
  3. Step 3: Cross multiply
    7,269.09x = 10,888.13 × 3,515.19
  4. Step 4: Simplify right side
    7,269.09x = 38,273,828.12
  5. Step 5: Solve for x
    x = 38,273,828.12/7,269.09
  6. Step 6: Final answer
    x = 5,265.28

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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.