Home / 7,304.40-10,078.20-4,431.60

Finding the Fourth Proportional to 7,304.40, 10,078.20 and 4,431.60

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Solution

The fourth proportional to 7,304.40, 10,078.20 and 4,431.60 is: 6,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.40 : 10,078.20 = 4,431.60 : x
  2. Step 2: Convert to fraction form
    7,304.40/10,078.20 = 4,431.60/x
  3. Step 3: Cross multiply
    7,304.40x = 10,078.20 × 4,431.60
  4. Step 4: Simplify right side
    7,304.40x = 44,662,551.12
  5. Step 5: Solve for x
    x = 44,662,551.12/7,304.40
  6. Step 6: Final answer
    x = 6,114.47

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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.