Home / 4,807.28-6,635.72-2,818.48

Finding the Fourth Proportional to 4,807.28, 6,635.72 and 2,818.48

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Solution

The fourth proportional to 4,807.28, 6,635.72 and 2,818.48 is: 3,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.28 : 6,635.72 = 2,818.48 : x
  2. Step 2: Convert to fraction form
    4,807.28/6,635.72 = 2,818.48/x
  3. Step 3: Cross multiply
    4,807.28x = 6,635.72 × 2,818.48
  4. Step 4: Simplify right side
    4,807.28x = 18,702,644.11
  5. Step 5: Solve for x
    x = 18,702,644.11/4,807.28
  6. Step 6: Final answer
    x = 3,890.48

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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.