Home / 4,576.32-6,315.20-2,480.40

Finding the Fourth Proportional to 4,576.32, 6,315.20 and 2,480.40

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Solution

The fourth proportional to 4,576.32, 6,315.20 and 2,480.40 is: 3,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.32 : 6,315.20 = 2,480.40 : x
  2. Step 2: Convert to fraction form
    4,576.32/6,315.20 = 2,480.40/x
  3. Step 3: Cross multiply
    4,576.32x = 6,315.20 × 2,480.40
  4. Step 4: Simplify right side
    4,576.32x = 15,664,222.08
  5. Step 5: Solve for x
    x = 15,664,222.08/4,576.32
  6. Step 6: Final answer
    x = 3,422.89

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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.