Home / 8,903.36-13,356.12-3,061.28

Finding the Fourth Proportional to 8,903.36, 13,356.12 and 3,061.28

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Solution

The fourth proportional to 8,903.36, 13,356.12 and 3,061.28 is: 4,592.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.36 : 13,356.12 = 3,061.28 : x
  2. Step 2: Convert to fraction form
    8,903.36/13,356.12 = 3,061.28/x
  3. Step 3: Cross multiply
    8,903.36x = 13,356.12 × 3,061.28
  4. Step 4: Simplify right side
    8,903.36x = 40,886,823.03
  5. Step 5: Solve for x
    x = 40,886,823.03/8,903.36
  6. Step 6: Final answer
    x = 4,592.29

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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.