Home / 8,342.42-11,510.60-4,986.32

Finding the Fourth Proportional to 8,342.42, 11,510.60 and 4,986.32

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Solution

The fourth proportional to 8,342.42, 11,510.60 and 4,986.32 is: 6,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.42 : 11,510.60 = 4,986.32 : x
  2. Step 2: Convert to fraction form
    8,342.42/11,510.60 = 4,986.32/x
  3. Step 3: Cross multiply
    8,342.42x = 11,510.60 × 4,986.32
  4. Step 4: Simplify right side
    8,342.42x = 57,395,452.51
  5. Step 5: Solve for x
    x = 57,395,452.51/8,342.42
  6. Step 6: Final answer
    x = 6,879.96

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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.