Home / 5,681.48-7,840.37-3,163.52

Finding the Fourth Proportional to 5,681.48, 7,840.37 and 3,163.52

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Solution

The fourth proportional to 5,681.48, 7,840.37 and 3,163.52 is: 4,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.48 : 7,840.37 = 3,163.52 : x
  2. Step 2: Convert to fraction form
    5,681.48/7,840.37 = 3,163.52/x
  3. Step 3: Cross multiply
    5,681.48x = 7,840.37 × 3,163.52
  4. Step 4: Simplify right side
    5,681.48x = 24,803,151.48
  5. Step 5: Solve for x
    x = 24,803,151.48/5,681.48
  6. Step 6: Final answer
    x = 4,365.61

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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.