Home / 5,029.86-6,941.50-2,905.78

Finding the Fourth Proportional to 5,029.86, 6,941.50 and 2,905.78

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Solution

The fourth proportional to 5,029.86, 6,941.50 and 2,905.78 is: 4,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.86 : 6,941.50 = 2,905.78 : x
  2. Step 2: Convert to fraction form
    5,029.86/6,941.50 = 2,905.78/x
  3. Step 3: Cross multiply
    5,029.86x = 6,941.50 × 2,905.78
  4. Step 4: Simplify right side
    5,029.86x = 20,170,437.16
  5. Step 5: Solve for x
    x = 20,170,437.16/5,029.86
  6. Step 6: Final answer
    x = 4,010.14

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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.