Home / 7,206.07-9,948.14-5,115.19

Finding the Fourth Proportional to 7,206.07, 9,948.14 and 5,115.19

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Solution

The fourth proportional to 7,206.07, 9,948.14 and 5,115.19 is: 7,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.07 : 9,948.14 = 5,115.19 : x
  2. Step 2: Convert to fraction form
    7,206.07/9,948.14 = 5,115.19/x
  3. Step 3: Cross multiply
    7,206.07x = 9,948.14 × 5,115.19
  4. Step 4: Simplify right side
    7,206.07x = 50,886,626.25
  5. Step 5: Solve for x
    x = 50,886,626.25/7,206.07
  6. Step 6: Final answer
    x = 7,061.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.