Home / 7,085.63-9,776.97-4,100.95

Finding the Fourth Proportional to 7,085.63, 9,776.97 and 4,100.95

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Solution

The fourth proportional to 7,085.63, 9,776.97 and 4,100.95 is: 5,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.63 : 9,776.97 = 4,100.95 : x
  2. Step 2: Convert to fraction form
    7,085.63/9,776.97 = 4,100.95/x
  3. Step 3: Cross multiply
    7,085.63x = 9,776.97 × 4,100.95
  4. Step 4: Simplify right side
    7,085.63x = 40,094,822.35
  5. Step 5: Solve for x
    x = 40,094,822.35/7,085.63
  6. Step 6: Final answer
    x = 5,658.61

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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.