Home / 9,206.36-12,705.66-5,671.64

Finding the Fourth Proportional to 9,206.36, 12,705.66 and 5,671.64

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Solution

The fourth proportional to 9,206.36, 12,705.66 and 5,671.64 is: 7,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.36 : 12,705.66 = 5,671.64 : x
  2. Step 2: Convert to fraction form
    9,206.36/12,705.66 = 5,671.64/x
  3. Step 3: Cross multiply
    9,206.36x = 12,705.66 × 5,671.64
  4. Step 4: Simplify right side
    9,206.36x = 72,061,929.48
  5. Step 5: Solve for x
    x = 72,061,929.48/9,206.36
  6. Step 6: Final answer
    x = 7,827.41

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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.