Home / 5,346.72-7,378.44-2,956.86

Finding the Fourth Proportional to 5,346.72, 7,378.44 and 2,956.86

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Solution

The fourth proportional to 5,346.72, 7,378.44 and 2,956.86 is: 4,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.72 : 7,378.44 = 2,956.86 : x
  2. Step 2: Convert to fraction form
    5,346.72/7,378.44 = 2,956.86/x
  3. Step 3: Cross multiply
    5,346.72x = 7,378.44 × 2,956.86
  4. Step 4: Simplify right side
    5,346.72x = 21,817,014.10
  5. Step 5: Solve for x
    x = 21,817,014.10/5,346.72
  6. Step 6: Final answer
    x = 4,080.45

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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.