Home / 7,281.23-10,915.37-3,383.51

Finding the Fourth Proportional to 7,281.23, 10,915.37 and 3,383.51

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Solution

The fourth proportional to 7,281.23, 10,915.37 and 3,383.51 is: 5,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.23 : 10,915.37 = 3,383.51 : x
  2. Step 2: Convert to fraction form
    7,281.23/10,915.37 = 3,383.51/x
  3. Step 3: Cross multiply
    7,281.23x = 10,915.37 × 3,383.51
  4. Step 4: Simplify right side
    7,281.23x = 36,932,246.63
  5. Step 5: Solve for x
    x = 36,932,246.63/7,281.23
  6. Step 6: Final answer
    x = 5,072.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.