Home / 8,409.32-11,605.40-4,683.32

Finding the Fourth Proportional to 8,409.32, 11,605.40 and 4,683.32

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Solution

The fourth proportional to 8,409.32, 11,605.40 and 4,683.32 is: 6,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.32 : 11,605.40 = 4,683.32 : x
  2. Step 2: Convert to fraction form
    8,409.32/11,605.40 = 4,683.32/x
  3. Step 3: Cross multiply
    8,409.32x = 11,605.40 × 4,683.32
  4. Step 4: Simplify right side
    8,409.32x = 54,351,801.93
  5. Step 5: Solve for x
    x = 54,351,801.93/8,409.32
  6. Step 6: Final answer
    x = 6,463.28

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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.