Home / 5,173.47-7,759.60-1,886.29

Finding the Fourth Proportional to 5,173.47, 7,759.60 and 1,886.29

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Solution

The fourth proportional to 5,173.47, 7,759.60 and 1,886.29 is: 2,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.47 : 7,759.60 = 1,886.29 : x
  2. Step 2: Convert to fraction form
    5,173.47/7,759.60 = 1,886.29/x
  3. Step 3: Cross multiply
    5,173.47x = 7,759.60 × 1,886.29
  4. Step 4: Simplify right side
    5,173.47x = 14,636,831.77
  5. Step 5: Solve for x
    x = 14,636,831.77/5,173.47
  6. Step 6: Final answer
    x = 2,829.21

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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.