Home / 4,989.20-7,483.72-1,526.48

Finding the Fourth Proportional to 4,989.20, 7,483.72 and 1,526.48

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Solution

The fourth proportional to 4,989.20, 7,483.72 and 1,526.48 is: 2,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.20 : 7,483.72 = 1,526.48 : x
  2. Step 2: Convert to fraction form
    4,989.20/7,483.72 = 1,526.48/x
  3. Step 3: Cross multiply
    4,989.20x = 7,483.72 × 1,526.48
  4. Step 4: Simplify right side
    4,989.20x = 11,423,748.91
  5. Step 5: Solve for x
    x = 11,423,748.91/4,989.20
  6. Step 6: Final answer
    x = 2,289.70

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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.