Home / 5,346.56-7,378.27-2,989.26

Finding the Fourth Proportional to 5,346.56, 7,378.27 and 2,989.26

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Solution

The fourth proportional to 5,346.56, 7,378.27 and 2,989.26 is: 4,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.56 : 7,378.27 = 2,989.26 : x
  2. Step 2: Convert to fraction form
    5,346.56/7,378.27 = 2,989.26/x
  3. Step 3: Cross multiply
    5,346.56x = 7,378.27 × 2,989.26
  4. Step 4: Simplify right side
    5,346.56x = 22,055,559.91
  5. Step 5: Solve for x
    x = 22,055,559.91/5,346.56
  6. Step 6: Final answer
    x = 4,125.19

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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.