Home / 4,901.40-6,763.84-2,805.12

Finding the Fourth Proportional to 4,901.40, 6,763.84 and 2,805.12

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Solution

The fourth proportional to 4,901.40, 6,763.84 and 2,805.12 is: 3,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.40 : 6,763.84 = 2,805.12 : x
  2. Step 2: Convert to fraction form
    4,901.40/6,763.84 = 2,805.12/x
  3. Step 3: Cross multiply
    4,901.40x = 6,763.84 × 2,805.12
  4. Step 4: Simplify right side
    4,901.40x = 18,973,382.86
  5. Step 5: Solve for x
    x = 18,973,382.86/4,901.40
  6. Step 6: Final answer
    x = 3,871.01

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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.