Home / 7,840.83-10,822.42-4,854.97

Finding the Fourth Proportional to 7,840.83, 10,822.42 and 4,854.97

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Solution

The fourth proportional to 7,840.83, 10,822.42 and 4,854.97 is: 6,701.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.83 : 10,822.42 = 4,854.97 : x
  2. Step 2: Convert to fraction form
    7,840.83/10,822.42 = 4,854.97/x
  3. Step 3: Cross multiply
    7,840.83x = 10,822.42 × 4,854.97
  4. Step 4: Simplify right side
    7,840.83x = 52,542,485.23
  5. Step 5: Solve for x
    x = 52,542,485.23/7,840.83
  6. Step 6: Final answer
    x = 6,701.14

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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.