Home / 4,275.72-6,417.24-1,680.48

Finding the Fourth Proportional to 4,275.72, 6,417.24 and 1,680.48

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Solution

The fourth proportional to 4,275.72, 6,417.24 and 1,680.48 is: 2,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.72 : 6,417.24 = 1,680.48 : x
  2. Step 2: Convert to fraction form
    4,275.72/6,417.24 = 1,680.48/x
  3. Step 3: Cross multiply
    4,275.72x = 6,417.24 × 1,680.48
  4. Step 4: Simplify right side
    4,275.72x = 10,784,043.48
  5. Step 5: Solve for x
    x = 10,784,043.48/4,275.72
  6. Step 6: Final answer
    x = 2,522.16

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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.