Home / 4,941.44-7,412.28-1,979.76

Finding the Fourth Proportional to 4,941.44, 7,412.28 and 1,979.76

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Solution

The fourth proportional to 4,941.44, 7,412.28 and 1,979.76 is: 2,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.44 : 7,412.28 = 1,979.76 : x
  2. Step 2: Convert to fraction form
    4,941.44/7,412.28 = 1,979.76/x
  3. Step 3: Cross multiply
    4,941.44x = 7,412.28 × 1,979.76
  4. Step 4: Simplify right side
    4,941.44x = 14,674,535.45
  5. Step 5: Solve for x
    x = 14,674,535.45/4,941.44
  6. Step 6: Final answer
    x = 2,969.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.