Home / 7,315.34-10,094.44-4,128.35

Finding the Fourth Proportional to 7,315.34, 10,094.44 and 4,128.35

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Solution

The fourth proportional to 7,315.34, 10,094.44 and 4,128.35 is: 5,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.34 : 10,094.44 = 4,128.35 : x
  2. Step 2: Convert to fraction form
    7,315.34/10,094.44 = 4,128.35/x
  3. Step 3: Cross multiply
    7,315.34x = 10,094.44 × 4,128.35
  4. Step 4: Simplify right side
    7,315.34x = 41,673,360.73
  5. Step 5: Solve for x
    x = 41,673,360.73/7,315.34
  6. Step 6: Final answer
    x = 5,696.71

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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.