Home / 8,968.19-13,453.54-3,970.18

Finding the Fourth Proportional to 8,968.19, 13,453.54 and 3,970.18

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Solution

The fourth proportional to 8,968.19, 13,453.54 and 3,970.18 is: 5,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.19 : 13,453.54 = 3,970.18 : x
  2. Step 2: Convert to fraction form
    8,968.19/13,453.54 = 3,970.18/x
  3. Step 3: Cross multiply
    8,968.19x = 13,453.54 × 3,970.18
  4. Step 4: Simplify right side
    8,968.19x = 53,412,947.90
  5. Step 5: Solve for x
    x = 53,412,947.90/8,968.19
  6. Step 6: Final answer
    x = 5,955.82

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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.