Home / 8,905.07-13,356.71-3,640.27

Finding the Fourth Proportional to 8,905.07, 13,356.71 and 3,640.27

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Solution

The fourth proportional to 8,905.07, 13,356.71 and 3,640.27 is: 5,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.07 : 13,356.71 = 3,640.27 : x
  2. Step 2: Convert to fraction form
    8,905.07/13,356.71 = 3,640.27/x
  3. Step 3: Cross multiply
    8,905.07x = 13,356.71 × 3,640.27
  4. Step 4: Simplify right side
    8,905.07x = 48,622,030.71
  5. Step 5: Solve for x
    x = 48,622,030.71/8,905.07
  6. Step 6: Final answer
    x = 5,460.04

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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.