Home / 5,354.69-7,389.95-3,086.37

Finding the Fourth Proportional to 5,354.69, 7,389.95 and 3,086.37

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Solution

The fourth proportional to 5,354.69, 7,389.95 and 3,086.37 is: 4,259.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.69 : 7,389.95 = 3,086.37 : x
  2. Step 2: Convert to fraction form
    5,354.69/7,389.95 = 3,086.37/x
  3. Step 3: Cross multiply
    5,354.69x = 7,389.95 × 3,086.37
  4. Step 4: Simplify right side
    5,354.69x = 22,808,104.55
  5. Step 5: Solve for x
    x = 22,808,104.55/5,354.69
  6. Step 6: Final answer
    x = 4,259.47

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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.