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Finding the Fourth Proportional to 4,824.62, 7,220.49 and 4,045.50

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Solution

The fourth proportional to 4,824.62, 7,220.49 and 4,045.50 is: 6,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.62 : 7,220.49 = 4,045.50 : x
  2. Step 2: Convert to fraction form
    4,824.62/7,220.49 = 4,045.50/x
  3. Step 3: Cross multiply
    4,824.62x = 7,220.49 × 4,045.50
  4. Step 4: Simplify right side
    4,824.62x = 29,210,492.30
  5. Step 5: Solve for x
    x = 29,210,492.30/4,824.62
  6. Step 6: Final answer
    x = 6,054.46

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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.