Home / 8,690.32-13,032.73-2,845.59

Finding the Fourth Proportional to 8,690.32, 13,032.73 and 2,845.59

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Solution

The fourth proportional to 8,690.32, 13,032.73 and 2,845.59 is: 4,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.32 : 13,032.73 = 2,845.59 : x
  2. Step 2: Convert to fraction form
    8,690.32/13,032.73 = 2,845.59/x
  3. Step 3: Cross multiply
    8,690.32x = 13,032.73 × 2,845.59
  4. Step 4: Simplify right side
    8,690.32x = 37,085,806.16
  5. Step 5: Solve for x
    x = 37,085,806.16/8,690.32
  6. Step 6: Final answer
    x = 4,267.48

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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.