Home / 6,787.10-9,367.56-4,639.38

Finding the Fourth Proportional to 6,787.10, 9,367.56 and 4,639.38

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Solution

The fourth proportional to 6,787.10, 9,367.56 and 4,639.38 is: 6,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.10 : 9,367.56 = 4,639.38 : x
  2. Step 2: Convert to fraction form
    6,787.10/9,367.56 = 4,639.38/x
  3. Step 3: Cross multiply
    6,787.10x = 9,367.56 × 4,639.38
  4. Step 4: Simplify right side
    6,787.10x = 43,459,670.51
  5. Step 5: Solve for x
    x = 43,459,670.51/6,787.10
  6. Step 6: Final answer
    x = 6,403.28

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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.