Home / 4,787.17-7,195.40-3,970.69

Finding the Fourth Proportional to 4,787.17, 7,195.40 and 3,970.69

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Solution

The fourth proportional to 4,787.17, 7,195.40 and 3,970.69 is: 5,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.17 : 7,195.40 = 3,970.69 : x
  2. Step 2: Convert to fraction form
    4,787.17/7,195.40 = 3,970.69/x
  3. Step 3: Cross multiply
    4,787.17x = 7,195.40 × 3,970.69
  4. Step 4: Simplify right side
    4,787.17x = 28,570,702.83
  5. Step 5: Solve for x
    x = 28,570,702.83/4,787.17
  6. Step 6: Final answer
    x = 5,968.18

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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.