Home / 8,440.76-11,637.33-5,783.42

Finding the Fourth Proportional to 8,440.76, 11,637.33 and 5,783.42

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Solution

The fourth proportional to 8,440.76, 11,637.33 and 5,783.42 is: 7,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.76 : 11,637.33 = 5,783.42 : x
  2. Step 2: Convert to fraction form
    8,440.76/11,637.33 = 5,783.42/x
  3. Step 3: Cross multiply
    8,440.76x = 11,637.33 × 5,783.42
  4. Step 4: Simplify right side
    8,440.76x = 67,303,567.07
  5. Step 5: Solve for x
    x = 67,303,567.07/8,440.76
  6. Step 6: Final answer
    x = 7,973.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.