Home / 7,056.45-9,736.88-4,223.18

Finding the Fourth Proportional to 7,056.45, 9,736.88 and 4,223.18

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Solution

The fourth proportional to 7,056.45, 9,736.88 and 4,223.18 is: 5,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.45 : 9,736.88 = 4,223.18 : x
  2. Step 2: Convert to fraction form
    7,056.45/9,736.88 = 4,223.18/x
  3. Step 3: Cross multiply
    7,056.45x = 9,736.88 × 4,223.18
  4. Step 4: Simplify right side
    7,056.45x = 41,120,527.08
  5. Step 5: Solve for x
    x = 41,120,527.08/7,056.45
  6. Step 6: Final answer
    x = 5,827.37

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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.