Home / 4,289.48-6,436.24-1,518.24

Finding the Fourth Proportional to 4,289.48, 6,436.24 and 1,518.24

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Solution

The fourth proportional to 4,289.48, 6,436.24 and 1,518.24 is: 2,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.48 : 6,436.24 = 1,518.24 : x
  2. Step 2: Convert to fraction form
    4,289.48/6,436.24 = 1,518.24/x
  3. Step 3: Cross multiply
    4,289.48x = 6,436.24 × 1,518.24
  4. Step 4: Simplify right side
    4,289.48x = 9,771,757.02
  5. Step 5: Solve for x
    x = 9,771,757.02/4,289.48
  6. Step 6: Final answer
    x = 2,278.07

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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.