Home / 5,154.08-7,730.26-1,455.46

Finding the Fourth Proportional to 5,154.08, 7,730.26 and 1,455.46

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Solution

The fourth proportional to 5,154.08, 7,730.26 and 1,455.46 is: 2,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.08 : 7,730.26 = 1,455.46 : x
  2. Step 2: Convert to fraction form
    5,154.08/7,730.26 = 1,455.46/x
  3. Step 3: Cross multiply
    5,154.08x = 7,730.26 × 1,455.46
  4. Step 4: Simplify right side
    5,154.08x = 11,251,061.26
  5. Step 5: Solve for x
    x = 11,251,061.26/5,154.08
  6. Step 6: Final answer
    x = 2,182.94

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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.