Home / 5,106.52-7,047.76-3,118.22

Finding the Fourth Proportional to 5,106.52, 7,047.76 and 3,118.22

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Solution

The fourth proportional to 5,106.52, 7,047.76 and 3,118.22 is: 4,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.52 : 7,047.76 = 3,118.22 : x
  2. Step 2: Convert to fraction form
    5,106.52/7,047.76 = 3,118.22/x
  3. Step 3: Cross multiply
    5,106.52x = 7,047.76 × 3,118.22
  4. Step 4: Simplify right side
    5,106.52x = 21,976,466.19
  5. Step 5: Solve for x
    x = 21,976,466.19/5,106.52
  6. Step 6: Final answer
    x = 4,303.61

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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.