Home / 4,722.38-7,083.59-1,259.63

Finding the Fourth Proportional to 4,722.38, 7,083.59 and 1,259.63

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Solution

The fourth proportional to 4,722.38, 7,083.59 and 1,259.63 is: 1,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.38 : 7,083.59 = 1,259.63 : x
  2. Step 2: Convert to fraction form
    4,722.38/7,083.59 = 1,259.63/x
  3. Step 3: Cross multiply
    4,722.38x = 7,083.59 × 1,259.63
  4. Step 4: Simplify right side
    4,722.38x = 8,922,702.47
  5. Step 5: Solve for x
    x = 8,922,702.47/4,722.38
  6. Step 6: Final answer
    x = 1,889.45

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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.