Home / 7,400.56-10,214.50-4,883.12

Finding the Fourth Proportional to 7,400.56, 10,214.50 and 4,883.12

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Solution

The fourth proportional to 7,400.56, 10,214.50 and 4,883.12 is: 6,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.56 : 10,214.50 = 4,883.12 : x
  2. Step 2: Convert to fraction form
    7,400.56/10,214.50 = 4,883.12/x
  3. Step 3: Cross multiply
    7,400.56x = 10,214.50 × 4,883.12
  4. Step 4: Simplify right side
    7,400.56x = 49,878,629.24
  5. Step 5: Solve for x
    x = 49,878,629.24/7,400.56
  6. Step 6: Final answer
    x = 6,739.85

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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.