Home / 5,281.96-7,290.73-3,045.33

Finding the Fourth Proportional to 5,281.96, 7,290.73 and 3,045.33

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Solution

The fourth proportional to 5,281.96, 7,290.73 and 3,045.33 is: 4,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.96 : 7,290.73 = 3,045.33 : x
  2. Step 2: Convert to fraction form
    5,281.96/7,290.73 = 3,045.33/x
  3. Step 3: Cross multiply
    5,281.96x = 7,290.73 × 3,045.33
  4. Step 4: Simplify right side
    5,281.96x = 22,202,678.79
  5. Step 5: Solve for x
    x = 22,202,678.79/5,281.96
  6. Step 6: Final answer
    x = 4,203.49

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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.