Home / 7,945.85-10,966.58-4,410.20

Finding the Fourth Proportional to 7,945.85, 10,966.58 and 4,410.20

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Solution

The fourth proportional to 7,945.85, 10,966.58 and 4,410.20 is: 6,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.85 : 10,966.58 = 4,410.20 : x
  2. Step 2: Convert to fraction form
    7,945.85/10,966.58 = 4,410.20/x
  3. Step 3: Cross multiply
    7,945.85x = 10,966.58 × 4,410.20
  4. Step 4: Simplify right side
    7,945.85x = 48,364,734.23
  5. Step 5: Solve for x
    x = 48,364,734.23/7,945.85
  6. Step 6: Final answer
    x = 6,086.80

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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.