Home / 7,641.80-11,473.64-5,673.50

Finding the Fourth Proportional to 7,641.80, 11,473.64 and 5,673.50

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Solution

The fourth proportional to 7,641.80, 11,473.64 and 5,673.50 is: 8,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.80 : 11,473.64 = 5,673.50 : x
  2. Step 2: Convert to fraction form
    7,641.80/11,473.64 = 5,673.50/x
  3. Step 3: Cross multiply
    7,641.80x = 11,473.64 × 5,673.50
  4. Step 4: Simplify right side
    7,641.80x = 65,095,610.80
  5. Step 5: Solve for x
    x = 65,095,610.80/7,641.80
  6. Step 6: Final answer
    x = 8,518.37

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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.