Home / 4,827.20-7,221.60-4,366.40

Finding the Fourth Proportional to 4,827.20, 7,221.60 and 4,366.40

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Solution

The fourth proportional to 4,827.20, 7,221.60 and 4,366.40 is: 6,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.20 : 7,221.60 = 4,366.40 : x
  2. Step 2: Convert to fraction form
    4,827.20/7,221.60 = 4,366.40/x
  3. Step 3: Cross multiply
    4,827.20x = 7,221.60 × 4,366.40
  4. Step 4: Simplify right side
    4,827.20x = 31,532,394.24
  5. Step 5: Solve for x
    x = 31,532,394.24/4,827.20
  6. Step 6: Final answer
    x = 6,532.23

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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.