Home / 4,949.63-7,424.93-1,439.67

Finding the Fourth Proportional to 4,949.63, 7,424.93 and 1,439.67

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Solution

The fourth proportional to 4,949.63, 7,424.93 and 1,439.67 is: 2,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.63 : 7,424.93 = 1,439.67 : x
  2. Step 2: Convert to fraction form
    4,949.63/7,424.93 = 1,439.67/x
  3. Step 3: Cross multiply
    4,949.63x = 7,424.93 × 1,439.67
  4. Step 4: Simplify right side
    4,949.63x = 10,689,441.77
  5. Step 5: Solve for x
    x = 10,689,441.77/4,949.63
  6. Step 6: Final answer
    x = 2,159.65

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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.