Home / 7,858.02-10,844.64-4,321.38

Finding the Fourth Proportional to 7,858.02, 10,844.64 and 4,321.38

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Solution

The fourth proportional to 7,858.02, 10,844.64 and 4,321.38 is: 5,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.02 : 10,844.64 = 4,321.38 : x
  2. Step 2: Convert to fraction form
    7,858.02/10,844.64 = 4,321.38/x
  3. Step 3: Cross multiply
    7,858.02x = 10,844.64 × 4,321.38
  4. Step 4: Simplify right side
    7,858.02x = 46,863,810.40
  5. Step 5: Solve for x
    x = 46,863,810.40/7,858.02
  6. Step 6: Final answer
    x = 5,963.82

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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.