Home / 4,680.72-6,460.08-2,817.68

Finding the Fourth Proportional to 4,680.72, 6,460.08 and 2,817.68

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Solution

The fourth proportional to 4,680.72, 6,460.08 and 2,817.68 is: 3,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.72 : 6,460.08 = 2,817.68 : x
  2. Step 2: Convert to fraction form
    4,680.72/6,460.08 = 2,817.68/x
  3. Step 3: Cross multiply
    4,680.72x = 6,460.08 × 2,817.68
  4. Step 4: Simplify right side
    4,680.72x = 18,202,438.21
  5. Step 5: Solve for x
    x = 18,202,438.21/4,680.72
  6. Step 6: Final answer
    x = 3,888.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.