Home / 8,783.54-13,160.43-5,313.50

Finding the Fourth Proportional to 8,783.54, 13,160.43 and 5,313.50

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Solution

The fourth proportional to 8,783.54, 13,160.43 and 5,313.50 is: 7,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.54 : 13,160.43 = 5,313.50 : x
  2. Step 2: Convert to fraction form
    8,783.54/13,160.43 = 5,313.50/x
  3. Step 3: Cross multiply
    8,783.54x = 13,160.43 × 5,313.50
  4. Step 4: Simplify right side
    8,783.54x = 69,927,944.81
  5. Step 5: Solve for x
    x = 69,927,944.81/8,783.54
  6. Step 6: Final answer
    x = 7,961.25

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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.