Home / 5,153.58-7,730.43-1,455.93

Finding the Fourth Proportional to 5,153.58, 7,730.43 and 1,455.93

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Solution

The fourth proportional to 5,153.58, 7,730.43 and 1,455.93 is: 2,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.58 : 7,730.43 = 1,455.93 : x
  2. Step 2: Convert to fraction form
    5,153.58/7,730.43 = 1,455.93/x
  3. Step 3: Cross multiply
    5,153.58x = 7,730.43 × 1,455.93
  4. Step 4: Simplify right side
    5,153.58x = 11,254,964.95
  5. Step 5: Solve for x
    x = 11,254,964.95/5,153.58
  6. Step 6: Final answer
    x = 2,183.91

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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.