Home / 5,854.84-8,078.73-3,617.45

Finding the Fourth Proportional to 5,854.84, 8,078.73 and 3,617.45

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Solution

The fourth proportional to 5,854.84, 8,078.73 and 3,617.45 is: 4,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.84 : 8,078.73 = 3,617.45 : x
  2. Step 2: Convert to fraction form
    5,854.84/8,078.73 = 3,617.45/x
  3. Step 3: Cross multiply
    5,854.84x = 8,078.73 × 3,617.45
  4. Step 4: Simplify right side
    5,854.84x = 29,224,401.84
  5. Step 5: Solve for x
    x = 29,224,401.84/5,854.84
  6. Step 6: Final answer
    x = 4,991.49

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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.