Home / 4,803.64-6,629.04-2,815.36

Finding the Fourth Proportional to 4,803.64, 6,629.04 and 2,815.36

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Solution

The fourth proportional to 4,803.64, 6,629.04 and 2,815.36 is: 3,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.64 : 6,629.04 = 2,815.36 : x
  2. Step 2: Convert to fraction form
    4,803.64/6,629.04 = 2,815.36/x
  3. Step 3: Cross multiply
    4,803.64x = 6,629.04 × 2,815.36
  4. Step 4: Simplify right side
    4,803.64x = 18,663,117.48
  5. Step 5: Solve for x
    x = 18,663,117.48/4,803.64
  6. Step 6: Final answer
    x = 3,885.21

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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.