Home / 4,807.63-7,205.78-2,172.05

Finding the Fourth Proportional to 4,807.63, 7,205.78 and 2,172.05

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Solution

The fourth proportional to 4,807.63, 7,205.78 and 2,172.05 is: 3,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.63 : 7,205.78 = 2,172.05 : x
  2. Step 2: Convert to fraction form
    4,807.63/7,205.78 = 2,172.05/x
  3. Step 3: Cross multiply
    4,807.63x = 7,205.78 × 2,172.05
  4. Step 4: Simplify right side
    4,807.63x = 15,651,303.59
  5. Step 5: Solve for x
    x = 15,651,303.59/4,807.63
  6. Step 6: Final answer
    x = 3,255.52

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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.