Home / 4,788.32-7,178.22-1,868.67

Finding the Fourth Proportional to 4,788.32, 7,178.22 and 1,868.67

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Solution

The fourth proportional to 4,788.32, 7,178.22 and 1,868.67 is: 2,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.32 : 7,178.22 = 1,868.67 : x
  2. Step 2: Convert to fraction form
    4,788.32/7,178.22 = 1,868.67/x
  3. Step 3: Cross multiply
    4,788.32x = 7,178.22 × 1,868.67
  4. Step 4: Simplify right side
    4,788.32x = 13,413,724.37
  5. Step 5: Solve for x
    x = 13,413,724.37/4,788.32
  6. Step 6: Final answer
    x = 2,801.35

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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.