Home / 9,319.88-13,979.96-2,746.24

Finding the Fourth Proportional to 9,319.88, 13,979.96 and 2,746.24

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Solution

The fourth proportional to 9,319.88, 13,979.96 and 2,746.24 is: 4,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.88 : 13,979.96 = 2,746.24 : x
  2. Step 2: Convert to fraction form
    9,319.88/13,979.96 = 2,746.24/x
  3. Step 3: Cross multiply
    9,319.88x = 13,979.96 × 2,746.24
  4. Step 4: Simplify right side
    9,319.88x = 38,392,325.35
  5. Step 5: Solve for x
    x = 38,392,325.35/9,319.88
  6. Step 6: Final answer
    x = 4,119.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.