Home / 4,690.47-7,036.95-1,403.59

Finding the Fourth Proportional to 4,690.47, 7,036.95 and 1,403.59

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Solution

The fourth proportional to 4,690.47, 7,036.95 and 1,403.59 is: 2,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.47 : 7,036.95 = 1,403.59 : x
  2. Step 2: Convert to fraction form
    4,690.47/7,036.95 = 1,403.59/x
  3. Step 3: Cross multiply
    4,690.47x = 7,036.95 × 1,403.59
  4. Step 4: Simplify right side
    4,690.47x = 9,876,992.65
  5. Step 5: Solve for x
    x = 9,876,992.65/4,690.47
  6. Step 6: Final answer
    x = 2,105.76

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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.