Home / 8,783.32-12,120.72-4,804.35

Finding the Fourth Proportional to 8,783.32, 12,120.72 and 4,804.35

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Solution

The fourth proportional to 8,783.32, 12,120.72 and 4,804.35 is: 6,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.32 : 12,120.72 = 4,804.35 : x
  2. Step 2: Convert to fraction form
    8,783.32/12,120.72 = 4,804.35/x
  3. Step 3: Cross multiply
    8,783.32x = 12,120.72 × 4,804.35
  4. Step 4: Simplify right side
    8,783.32x = 58,232,181.13
  5. Step 5: Solve for x
    x = 58,232,181.13/8,783.32
  6. Step 6: Final answer
    x = 6,629.86

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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.