Home / 8,868.60-13,291.07-3,316.32

Finding the Fourth Proportional to 8,868.60, 13,291.07 and 3,316.32

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Solution

The fourth proportional to 8,868.60, 13,291.07 and 3,316.32 is: 4,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.60 : 13,291.07 = 3,316.32 : x
  2. Step 2: Convert to fraction form
    8,868.60/13,291.07 = 3,316.32/x
  3. Step 3: Cross multiply
    8,868.60x = 13,291.07 × 3,316.32
  4. Step 4: Simplify right side
    8,868.60x = 44,077,424.68
  5. Step 5: Solve for x
    x = 44,077,424.68/8,868.60
  6. Step 6: Final answer
    x = 4,970.05

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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.