Home / 9,783.12-14,671.71-3,207.81

Finding the Fourth Proportional to 9,783.12, 14,671.71 and 3,207.81

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Solution

The fourth proportional to 9,783.12, 14,671.71 and 3,207.81 is: 4,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.12 : 14,671.71 = 3,207.81 : x
  2. Step 2: Convert to fraction form
    9,783.12/14,671.71 = 3,207.81/x
  3. Step 3: Cross multiply
    9,783.12x = 14,671.71 × 3,207.81
  4. Step 4: Simplify right side
    9,783.12x = 47,064,058.06
  5. Step 5: Solve for x
    x = 47,064,058.06/9,783.12
  6. Step 6: Final answer
    x = 4,810.74

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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.