Home / 4,576.78-6,315.90-2,480.89

Finding the Fourth Proportional to 4,576.78, 6,315.90 and 2,480.89

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Solution

The fourth proportional to 4,576.78, 6,315.90 and 2,480.89 is: 3,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.78 : 6,315.90 = 2,480.89 : x
  2. Step 2: Convert to fraction form
    4,576.78/6,315.90 = 2,480.89/x
  3. Step 3: Cross multiply
    4,576.78x = 6,315.90 × 2,480.89
  4. Step 4: Simplify right side
    4,576.78x = 15,669,053.15
  5. Step 5: Solve for x
    x = 15,669,053.15/4,576.78
  6. Step 6: Final answer
    x = 3,423.60

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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.