Home / 7,224.40-10,840.20-3,522.16

Finding the Fourth Proportional to 7,224.40, 10,840.20 and 3,522.16

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Solution

The fourth proportional to 7,224.40, 10,840.20 and 3,522.16 is: 5,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.40 : 10,840.20 = 3,522.16 : x
  2. Step 2: Convert to fraction form
    7,224.40/10,840.20 = 3,522.16/x
  3. Step 3: Cross multiply
    7,224.40x = 10,840.20 × 3,522.16
  4. Step 4: Simplify right side
    7,224.40x = 38,180,918.83
  5. Step 5: Solve for x
    x = 38,180,918.83/7,224.40
  6. Step 6: Final answer
    x = 5,285.00

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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.