Home / 4,738.86-6,540.75-2,875.50

Finding the Fourth Proportional to 4,738.86, 6,540.75 and 2,875.50

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Solution

The fourth proportional to 4,738.86, 6,540.75 and 2,875.50 is: 3,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.86 : 6,540.75 = 2,875.50 : x
  2. Step 2: Convert to fraction form
    4,738.86/6,540.75 = 2,875.50/x
  3. Step 3: Cross multiply
    4,738.86x = 6,540.75 × 2,875.50
  4. Step 4: Simplify right side
    4,738.86x = 18,807,926.63
  5. Step 5: Solve for x
    x = 18,807,926.63/4,738.86
  6. Step 6: Final answer
    x = 3,968.87

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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.