Home / 9,787.41-14,681.05-2,391.81

Finding the Fourth Proportional to 9,787.41, 14,681.05 and 2,391.81

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Solution

The fourth proportional to 9,787.41, 14,681.05 and 2,391.81 is: 3,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.41 : 14,681.05 = 2,391.81 : x
  2. Step 2: Convert to fraction form
    9,787.41/14,681.05 = 2,391.81/x
  3. Step 3: Cross multiply
    9,787.41x = 14,681.05 × 2,391.81
  4. Step 4: Simplify right side
    9,787.41x = 35,114,196.84
  5. Step 5: Solve for x
    x = 35,114,196.84/9,787.41
  6. Step 6: Final answer
    x = 3,587.69

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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.