Home / 4,903.84-6,763.70-3,111.86

Finding the Fourth Proportional to 4,903.84, 6,763.70 and 3,111.86

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Solution

The fourth proportional to 4,903.84, 6,763.70 and 3,111.86 is: 4,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.84 : 6,763.70 = 3,111.86 : x
  2. Step 2: Convert to fraction form
    4,903.84/6,763.70 = 3,111.86/x
  3. Step 3: Cross multiply
    4,903.84x = 6,763.70 × 3,111.86
  4. Step 4: Simplify right side
    4,903.84x = 21,047,687.48
  5. Step 5: Solve for x
    x = 21,047,687.48/4,903.84
  6. Step 6: Final answer
    x = 4,292.08

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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.