Home / 7,866.22-10,858.79-5,624.20

Finding the Fourth Proportional to 7,866.22, 10,858.79 and 5,624.20

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Solution

The fourth proportional to 7,866.22, 10,858.79 and 5,624.20 is: 7,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.22 : 10,858.79 = 5,624.20 : x
  2. Step 2: Convert to fraction form
    7,866.22/10,858.79 = 5,624.20/x
  3. Step 3: Cross multiply
    7,866.22x = 10,858.79 × 5,624.20
  4. Step 4: Simplify right side
    7,866.22x = 61,072,006.72
  5. Step 5: Solve for x
    x = 61,072,006.72/7,866.22
  6. Step 6: Final answer
    x = 7,763.83

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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.