Home / 4,939.02-6,815.86-2,814.46

Finding the Fourth Proportional to 4,939.02, 6,815.86 and 2,814.46

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Solution

The fourth proportional to 4,939.02, 6,815.86 and 2,814.46 is: 3,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.02 : 6,815.86 = 2,814.46 : x
  2. Step 2: Convert to fraction form
    4,939.02/6,815.86 = 2,814.46/x
  3. Step 3: Cross multiply
    4,939.02x = 6,815.86 × 2,814.46
  4. Step 4: Simplify right side
    4,939.02x = 19,182,941.26
  5. Step 5: Solve for x
    x = 19,182,941.26/4,939.02
  6. Step 6: Final answer
    x = 3,883.96

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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.