Home / 7,858.15-10,844.45-4,321.45

Finding the Fourth Proportional to 7,858.15, 10,844.45 and 4,321.45

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Solution

The fourth proportional to 7,858.15, 10,844.45 and 4,321.45 is: 5,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.15 : 10,844.45 = 4,321.45 : x
  2. Step 2: Convert to fraction form
    7,858.15/10,844.45 = 4,321.45/x
  3. Step 3: Cross multiply
    7,858.15x = 10,844.45 × 4,321.45
  4. Step 4: Simplify right side
    7,858.15x = 46,863,756.61
  5. Step 5: Solve for x
    x = 46,863,756.61/7,858.15
  6. Step 6: Final answer
    x = 5,963.72

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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.