Home / 8,131.95-11,222.01-4,774.17

Finding the Fourth Proportional to 8,131.95, 11,222.01 and 4,774.17

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Solution

The fourth proportional to 8,131.95, 11,222.01 and 4,774.17 is: 6,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.95 : 11,222.01 = 4,774.17 : x
  2. Step 2: Convert to fraction form
    8,131.95/11,222.01 = 4,774.17/x
  3. Step 3: Cross multiply
    8,131.95x = 11,222.01 × 4,774.17
  4. Step 4: Simplify right side
    8,131.95x = 53,575,783.48
  5. Step 5: Solve for x
    x = 53,575,783.48/8,131.95
  6. Step 6: Final answer
    x = 6,588.31

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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.