Home / 7,400.76-10,208.58-4,881.96

Finding the Fourth Proportional to 7,400.76, 10,208.58 and 4,881.96

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Solution

The fourth proportional to 7,400.76, 10,208.58 and 4,881.96 is: 6,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.76 : 10,208.58 = 4,881.96 : x
  2. Step 2: Convert to fraction form
    7,400.76/10,208.58 = 4,881.96/x
  3. Step 3: Cross multiply
    7,400.76x = 10,208.58 × 4,881.96
  4. Step 4: Simplify right side
    7,400.76x = 49,837,879.22
  5. Step 5: Solve for x
    x = 49,837,879.22/7,400.76
  6. Step 6: Final answer
    x = 6,734.16

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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.