Home / 4,305.32-6,456.58-2,659.40

Finding the Fourth Proportional to 4,305.32, 6,456.58 and 2,659.40

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Solution

The fourth proportional to 4,305.32, 6,456.58 and 2,659.40 is: 3,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.32 : 6,456.58 = 2,659.40 : x
  2. Step 2: Convert to fraction form
    4,305.32/6,456.58 = 2,659.40/x
  3. Step 3: Cross multiply
    4,305.32x = 6,456.58 × 2,659.40
  4. Step 4: Simplify right side
    4,305.32x = 17,170,628.85
  5. Step 5: Solve for x
    x = 17,170,628.85/4,305.32
  6. Step 6: Final answer
    x = 3,988.24

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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.