Home / 7,570.82-11,342.10-5,485.73

Finding the Fourth Proportional to 7,570.82, 11,342.10 and 5,485.73

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Solution

The fourth proportional to 7,570.82, 11,342.10 and 5,485.73 is: 8,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.82 : 11,342.10 = 5,485.73 : x
  2. Step 2: Convert to fraction form
    7,570.82/11,342.10 = 5,485.73/x
  3. Step 3: Cross multiply
    7,570.82x = 11,342.10 × 5,485.73
  4. Step 4: Simplify right side
    7,570.82x = 62,219,641.52
  5. Step 5: Solve for x
    x = 62,219,641.52/7,570.82
  6. Step 6: Final answer
    x = 8,218.35

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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.