Home / 9,973.44-13,762.76-5,781.60

Finding the Fourth Proportional to 9,973.44, 13,762.76 and 5,781.60

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Solution

The fourth proportional to 9,973.44, 13,762.76 and 5,781.60 is: 7,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.44 : 13,762.76 = 5,781.60 : x
  2. Step 2: Convert to fraction form
    9,973.44/13,762.76 = 5,781.60/x
  3. Step 3: Cross multiply
    9,973.44x = 13,762.76 × 5,781.60
  4. Step 4: Simplify right side
    9,973.44x = 79,570,773.22
  5. Step 5: Solve for x
    x = 79,570,773.22/9,973.44
  6. Step 6: Final answer
    x = 7,978.27

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1.5x scale

Why These Related Problems?

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