Home / 7,787.64-10,743.20-5,097.67

Finding the Fourth Proportional to 7,787.64, 10,743.20 and 5,097.67

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Solution

The fourth proportional to 7,787.64, 10,743.20 and 5,097.67 is: 7,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.64 : 10,743.20 = 5,097.67 : x
  2. Step 2: Convert to fraction form
    7,787.64/10,743.20 = 5,097.67/x
  3. Step 3: Cross multiply
    7,787.64x = 10,743.20 × 5,097.67
  4. Step 4: Simplify right side
    7,787.64x = 54,765,329.88
  5. Step 5: Solve for x
    x = 54,765,329.88/7,787.64
  6. Step 6: Final answer
    x = 7,032.34

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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.