Home / 8,155.32-11,256.09-4,969.65

Finding the Fourth Proportional to 8,155.32, 11,256.09 and 4,969.65

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Solution

The fourth proportional to 8,155.32, 11,256.09 and 4,969.65 is: 6,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.32 : 11,256.09 = 4,969.65 : x
  2. Step 2: Convert to fraction form
    8,155.32/11,256.09 = 4,969.65/x
  3. Step 3: Cross multiply
    8,155.32x = 11,256.09 × 4,969.65
  4. Step 4: Simplify right side
    8,155.32x = 55,938,827.67
  5. Step 5: Solve for x
    x = 55,938,827.67/8,155.32
  6. Step 6: Final answer
    x = 6,859.18

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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.