Home / 5,246.32-7,869.44-1,783.60

Finding the Fourth Proportional to 5,246.32, 7,869.44 and 1,783.60

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Solution

The fourth proportional to 5,246.32, 7,869.44 and 1,783.60 is: 2,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.32 : 7,869.44 = 1,783.60 : x
  2. Step 2: Convert to fraction form
    5,246.32/7,869.44 = 1,783.60/x
  3. Step 3: Cross multiply
    5,246.32x = 7,869.44 × 1,783.60
  4. Step 4: Simplify right side
    5,246.32x = 14,035,933.18
  5. Step 5: Solve for x
    x = 14,035,933.18/5,246.32
  6. Step 6: Final answer
    x = 2,675.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.