Home / 8,470.98-11,695.74-5,285.52

Finding the Fourth Proportional to 8,470.98, 11,695.74 and 5,285.52

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Solution

The fourth proportional to 8,470.98, 11,695.74 and 5,285.52 is: 7,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.98 : 11,695.74 = 5,285.52 : x
  2. Step 2: Convert to fraction form
    8,470.98/11,695.74 = 5,285.52/x
  3. Step 3: Cross multiply
    8,470.98x = 11,695.74 × 5,285.52
  4. Step 4: Simplify right side
    8,470.98x = 61,818,067.68
  5. Step 5: Solve for x
    x = 61,818,067.68/8,470.98
  6. Step 6: Final answer
    x = 7,297.63

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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.