Home / 7,817.64-10,787.66-4,414.47

Finding the Fourth Proportional to 7,817.64, 10,787.66 and 4,414.47

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Solution

The fourth proportional to 7,817.64, 10,787.66 and 4,414.47 is: 6,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.64 : 10,787.66 = 4,414.47 : x
  2. Step 2: Convert to fraction form
    7,817.64/10,787.66 = 4,414.47/x
  3. Step 3: Cross multiply
    7,817.64x = 10,787.66 × 4,414.47
  4. Step 4: Simplify right side
    7,817.64x = 47,621,779.37
  5. Step 5: Solve for x
    x = 47,621,779.37/7,817.64
  6. Step 6: Final answer
    x = 6,091.58

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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.