Home / 5,316.08-7,973.40-2,110.64

Finding the Fourth Proportional to 5,316.08, 7,973.40 and 2,110.64

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Solution

The fourth proportional to 5,316.08, 7,973.40 and 2,110.64 is: 3,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.08 : 7,973.40 = 2,110.64 : x
  2. Step 2: Convert to fraction form
    5,316.08/7,973.40 = 2,110.64/x
  3. Step 3: Cross multiply
    5,316.08x = 7,973.40 × 2,110.64
  4. Step 4: Simplify right side
    5,316.08x = 16,828,976.98
  5. Step 5: Solve for x
    x = 16,828,976.98/5,316.08
  6. Step 6: Final answer
    x = 3,165.67

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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.