Home / 8,975.09-13,459.53-3,430.01

Finding the Fourth Proportional to 8,975.09, 13,459.53 and 3,430.01

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Solution

The fourth proportional to 8,975.09, 13,459.53 and 3,430.01 is: 5,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.09 : 13,459.53 = 3,430.01 : x
  2. Step 2: Convert to fraction form
    8,975.09/13,459.53 = 3,430.01/x
  3. Step 3: Cross multiply
    8,975.09x = 13,459.53 × 3,430.01
  4. Step 4: Simplify right side
    8,975.09x = 46,166,322.50
  5. Step 5: Solve for x
    x = 46,166,322.50/8,975.09
  6. Step 6: Final answer
    x = 5,143.83

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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.