Home / 4,976.10-6,865.25-3,085.70

Finding the Fourth Proportional to 4,976.10, 6,865.25 and 3,085.70

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Solution

The fourth proportional to 4,976.10, 6,865.25 and 3,085.70 is: 4,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.10 : 6,865.25 = 3,085.70 : x
  2. Step 2: Convert to fraction form
    4,976.10/6,865.25 = 3,085.70/x
  3. Step 3: Cross multiply
    4,976.10x = 6,865.25 × 3,085.70
  4. Step 4: Simplify right side
    4,976.10x = 21,184,052.17
  5. Step 5: Solve for x
    x = 21,184,052.17/4,976.10
  6. Step 6: Final answer
    x = 4,257.16

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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.