Home / 5,148.04-7,718.63-1,860.71

Finding the Fourth Proportional to 5,148.04, 7,718.63 and 1,860.71

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Solution

The fourth proportional to 5,148.04, 7,718.63 and 1,860.71 is: 2,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.04 : 7,718.63 = 1,860.71 : x
  2. Step 2: Convert to fraction form
    5,148.04/7,718.63 = 1,860.71/x
  3. Step 3: Cross multiply
    5,148.04x = 7,718.63 × 1,860.71
  4. Step 4: Simplify right side
    5,148.04x = 14,362,124.54
  5. Step 5: Solve for x
    x = 14,362,124.54/5,148.04
  6. Step 6: Final answer
    x = 2,789.82

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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.