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Finding the Fourth Proportional to 4,988.94, 7,483.77 and 1,528.62

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Solution

The fourth proportional to 4,988.94, 7,483.77 and 1,528.62 is: 2,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.94 : 7,483.77 = 1,528.62 : x
  2. Step 2: Convert to fraction form
    4,988.94/7,483.77 = 1,528.62/x
  3. Step 3: Cross multiply
    4,988.94x = 7,483.77 × 1,528.62
  4. Step 4: Simplify right side
    4,988.94x = 11,439,840.50
  5. Step 5: Solve for x
    x = 11,439,840.50/4,988.94
  6. Step 6: Final answer
    x = 2,293.04

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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.