Home / 9,787.40-14,673.78-5,890.90

Finding the Fourth Proportional to 9,787.40, 14,673.78 and 5,890.90

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Solution

The fourth proportional to 9,787.40, 14,673.78 and 5,890.90 is: 8,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.40 : 14,673.78 = 5,890.90 : x
  2. Step 2: Convert to fraction form
    9,787.40/14,673.78 = 5,890.90/x
  3. Step 3: Cross multiply
    9,787.40x = 14,673.78 × 5,890.90
  4. Step 4: Simplify right side
    9,787.40x = 86,441,770.60
  5. Step 5: Solve for x
    x = 86,441,770.60/9,787.40
  6. Step 6: Final answer
    x = 8,831.94

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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.