Home / 6,373.49-9,561.17-1,991.25

Finding the Fourth Proportional to 6,373.49, 9,561.17 and 1,991.25

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Solution

The fourth proportional to 6,373.49, 9,561.17 and 1,991.25 is: 2,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373.49 : 9,561.17 = 1,991.25 : x
  2. Step 2: Convert to fraction form
    6,373.49/9,561.17 = 1,991.25/x
  3. Step 3: Cross multiply
    6,373.49x = 9,561.17 × 1,991.25
  4. Step 4: Simplify right side
    6,373.49x = 19,038,684.74
  5. Step 5: Solve for x
    x = 19,038,684.74/6,373.49
  6. Step 6: Final answer
    x = 2,987.17

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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.