Home / 4,688.29-7,027.57-1,913.77

Finding the Fourth Proportional to 4,688.29, 7,027.57 and 1,913.77

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Solution

The fourth proportional to 4,688.29, 7,027.57 and 1,913.77 is: 2,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.29 : 7,027.57 = 1,913.77 : x
  2. Step 2: Convert to fraction form
    4,688.29/7,027.57 = 1,913.77/x
  3. Step 3: Cross multiply
    4,688.29x = 7,027.57 × 1,913.77
  4. Step 4: Simplify right side
    4,688.29x = 13,449,152.64
  5. Step 5: Solve for x
    x = 13,449,152.64/4,688.29
  6. Step 6: Final answer
    x = 2,868.67

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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.