Home / 4,601.64-6,902.68-1,315.21

Finding the Fourth Proportional to 4,601.64, 6,902.68 and 1,315.21

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Solution

The fourth proportional to 4,601.64, 6,902.68 and 1,315.21 is: 1,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,601.64 : 6,902.68 = 1,315.21 : x
  2. Step 2: Convert to fraction form
    4,601.64/6,902.68 = 1,315.21/x
  3. Step 3: Cross multiply
    4,601.64x = 6,902.68 × 1,315.21
  4. Step 4: Simplify right side
    4,601.64x = 9,078,473.76
  5. Step 5: Solve for x
    x = 9,078,473.76/4,601.64
  6. Step 6: Final answer
    x = 1,972.88

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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.