Home / 4,292.13-6,438.74-1,518.15

Finding the Fourth Proportional to 4,292.13, 6,438.74 and 1,518.15

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Solution

The fourth proportional to 4,292.13, 6,438.74 and 1,518.15 is: 2,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.13 : 6,438.74 = 1,518.15 : x
  2. Step 2: Convert to fraction form
    4,292.13/6,438.74 = 1,518.15/x
  3. Step 3: Cross multiply
    4,292.13x = 6,438.74 × 1,518.15
  4. Step 4: Simplify right side
    4,292.13x = 9,774,965.54
  5. Step 5: Solve for x
    x = 9,774,965.54/4,292.13
  6. Step 6: Final answer
    x = 2,277.42

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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.