Home / 7,678.26-11,516.85-5,097.06

Finding the Fourth Proportional to 7,678.26, 11,516.85 and 5,097.06

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Solution

The fourth proportional to 7,678.26, 11,516.85 and 5,097.06 is: 7,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.26 : 11,516.85 = 5,097.06 : x
  2. Step 2: Convert to fraction form
    7,678.26/11,516.85 = 5,097.06/x
  3. Step 3: Cross multiply
    7,678.26x = 11,516.85 × 5,097.06
  4. Step 4: Simplify right side
    7,678.26x = 58,702,075.46
  5. Step 5: Solve for x
    x = 58,702,075.46/7,678.26
  6. Step 6: Final answer
    x = 7,645.23

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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.