Home / 4,907.28-7,362.54-1,788.78

Finding the Fourth Proportional to 4,907.28, 7,362.54 and 1,788.78

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Solution

The fourth proportional to 4,907.28, 7,362.54 and 1,788.78 is: 2,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.28 : 7,362.54 = 1,788.78 : x
  2. Step 2: Convert to fraction form
    4,907.28/7,362.54 = 1,788.78/x
  3. Step 3: Cross multiply
    4,907.28x = 7,362.54 × 1,788.78
  4. Step 4: Simplify right side
    4,907.28x = 13,169,964.30
  5. Step 5: Solve for x
    x = 13,169,964.30/4,907.28
  6. Step 6: Final answer
    x = 2,683.76

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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.