Home / 7,840.55-10,820.64-4,304.44

Finding the Fourth Proportional to 7,840.55, 10,820.64 and 4,304.44

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Solution

The fourth proportional to 7,840.55, 10,820.64 and 4,304.44 is: 5,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.55 : 10,820.64 = 4,304.44 : x
  2. Step 2: Convert to fraction form
    7,840.55/10,820.64 = 4,304.44/x
  3. Step 3: Cross multiply
    7,840.55x = 10,820.64 × 4,304.44
  4. Step 4: Simplify right side
    7,840.55x = 46,576,801.10
  5. Step 5: Solve for x
    x = 46,576,801.10/7,840.55
  6. Step 6: Final answer
    x = 5,940.50

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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.