Home / 4,680.65-6,459.30-2,556.20

Finding the Fourth Proportional to 4,680.65, 6,459.30 and 2,556.20

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Solution

The fourth proportional to 4,680.65, 6,459.30 and 2,556.20 is: 3,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.65 : 6,459.30 = 2,556.20 : x
  2. Step 2: Convert to fraction form
    4,680.65/6,459.30 = 2,556.20/x
  3. Step 3: Cross multiply
    4,680.65x = 6,459.30 × 2,556.20
  4. Step 4: Simplify right side
    4,680.65x = 16,511,230.36
  5. Step 5: Solve for x
    x = 16,511,230.36/4,680.65
  6. Step 6: Final answer
    x = 3,527.55

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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.