Home / 9,271.80-13,901.55-5,113.80

Finding the Fourth Proportional to 9,271.80, 13,901.55 and 5,113.80

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Solution

The fourth proportional to 9,271.80, 13,901.55 and 5,113.80 is: 7,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.80 : 13,901.55 = 5,113.80 : x
  2. Step 2: Convert to fraction form
    9,271.80/13,901.55 = 5,113.80/x
  3. Step 3: Cross multiply
    9,271.80x = 13,901.55 × 5,113.80
  4. Step 4: Simplify right side
    9,271.80x = 71,089,746.39
  5. Step 5: Solve for x
    x = 71,089,746.39/9,271.80
  6. Step 6: Final answer
    x = 7,667.31

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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.