Home / 4,822.40-7,233.60-4,725.20

Finding the Fourth Proportional to 4,822.40, 7,233.60 and 4,725.20

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Solution

The fourth proportional to 4,822.40, 7,233.60 and 4,725.20 is: 7,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.40 : 7,233.60 = 4,725.20 : x
  2. Step 2: Convert to fraction form
    4,822.40/7,233.60 = 4,725.20/x
  3. Step 3: Cross multiply
    4,822.40x = 7,233.60 × 4,725.20
  4. Step 4: Simplify right side
    4,822.40x = 34,180,206.72
  5. Step 5: Solve for x
    x = 34,180,206.72/4,822.40
  6. Step 6: Final answer
    x = 7,087.80

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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.