Home / 7,678.62-10,595.88-5,021.82

Finding the Fourth Proportional to 7,678.62, 10,595.88 and 5,021.82

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Solution

The fourth proportional to 7,678.62, 10,595.88 and 5,021.82 is: 6,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.62 : 10,595.88 = 5,021.82 : x
  2. Step 2: Convert to fraction form
    7,678.62/10,595.88 = 5,021.82/x
  3. Step 3: Cross multiply
    7,678.62x = 10,595.88 × 5,021.82
  4. Step 4: Simplify right side
    7,678.62x = 53,210,602.10
  5. Step 5: Solve for x
    x = 53,210,602.10/7,678.62
  6. Step 6: Final answer
    x = 6,929.71

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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.