Home / 7,541.21-11,320.09-5,991.18

Finding the Fourth Proportional to 7,541.21, 11,320.09 and 5,991.18

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Solution

The fourth proportional to 7,541.21, 11,320.09 and 5,991.18 is: 8,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.21 : 11,320.09 = 5,991.18 : x
  2. Step 2: Convert to fraction form
    7,541.21/11,320.09 = 5,991.18/x
  3. Step 3: Cross multiply
    7,541.21x = 11,320.09 × 5,991.18
  4. Step 4: Simplify right side
    7,541.21x = 67,820,696.81
  5. Step 5: Solve for x
    x = 67,820,696.81/7,541.21
  6. Step 6: Final answer
    x = 8,993.34

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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.