Home / 9,787.07-13,517.36-6,444.81

Finding the Fourth Proportional to 9,787.07, 13,517.36 and 6,444.81

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Solution

The fourth proportional to 9,787.07, 13,517.36 and 6,444.81 is: 8,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.07 : 13,517.36 = 6,444.81 : x
  2. Step 2: Convert to fraction form
    9,787.07/13,517.36 = 6,444.81/x
  3. Step 3: Cross multiply
    9,787.07x = 13,517.36 × 6,444.81
  4. Step 4: Simplify right side
    9,787.07x = 87,116,784.68
  5. Step 5: Solve for x
    x = 87,116,784.68/9,787.07
  6. Step 6: Final answer
    x = 8,901.22

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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.