Home / 6,787.17-9,357.56-4,392.90

Finding the Fourth Proportional to 6,787.17, 9,357.56 and 4,392.90

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Solution

The fourth proportional to 6,787.17, 9,357.56 and 4,392.90 is: 6,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.17 : 9,357.56 = 4,392.90 : x
  2. Step 2: Convert to fraction form
    6,787.17/9,357.56 = 4,392.90/x
  3. Step 3: Cross multiply
    6,787.17x = 9,357.56 × 4,392.90
  4. Step 4: Simplify right side
    6,787.17x = 41,106,836.31
  5. Step 5: Solve for x
    x = 41,106,836.31/6,787.17
  6. Step 6: Final answer
    x = 6,056.55

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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.