Home / 9,664.16-13,336.32-5,684.40

Finding the Fourth Proportional to 9,664.16, 13,336.32 and 5,684.40

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Solution

The fourth proportional to 9,664.16, 13,336.32 and 5,684.40 is: 7,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.16 : 13,336.32 = 5,684.40 : x
  2. Step 2: Convert to fraction form
    9,664.16/13,336.32 = 5,684.40/x
  3. Step 3: Cross multiply
    9,664.16x = 13,336.32 × 5,684.40
  4. Step 4: Simplify right side
    9,664.16x = 75,808,977.41
  5. Step 5: Solve for x
    x = 75,808,977.41/9,664.16
  6. Step 6: Final answer
    x = 7,844.34

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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.