Home / 6,947.60-10,416.32-4,749.44

Finding the Fourth Proportional to 6,947.60, 10,416.32 and 4,749.44

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Solution

The fourth proportional to 6,947.60, 10,416.32 and 4,749.44 is: 7,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.60 : 10,416.32 = 4,749.44 : x
  2. Step 2: Convert to fraction form
    6,947.60/10,416.32 = 4,749.44/x
  3. Step 3: Cross multiply
    6,947.60x = 10,416.32 × 4,749.44
  4. Step 4: Simplify right side
    6,947.60x = 49,471,686.86
  5. Step 5: Solve for x
    x = 49,471,686.86/6,947.60
  6. Step 6: Final answer
    x = 7,120.69

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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.