Home / 4,800.39-7,197.75-1,875.30

Finding the Fourth Proportional to 4,800.39, 7,197.75 and 1,875.30

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Solution

The fourth proportional to 4,800.39, 7,197.75 and 1,875.30 is: 2,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.39 : 7,197.75 = 1,875.30 : x
  2. Step 2: Convert to fraction form
    4,800.39/7,197.75 = 1,875.30/x
  3. Step 3: Cross multiply
    4,800.39x = 7,197.75 × 1,875.30
  4. Step 4: Simplify right side
    4,800.39x = 13,497,940.58
  5. Step 5: Solve for x
    x = 13,497,940.58/4,800.39
  6. Step 6: Final answer
    x = 2,811.84

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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.