Home / 7,189.47-10,784.67-2,259.32

Finding the Fourth Proportional to 7,189.47, 10,784.67 and 2,259.32

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Solution

The fourth proportional to 7,189.47, 10,784.67 and 2,259.32 is: 3,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.47 : 10,784.67 = 2,259.32 : x
  2. Step 2: Convert to fraction form
    7,189.47/10,784.67 = 2,259.32/x
  3. Step 3: Cross multiply
    7,189.47x = 10,784.67 × 2,259.32
  4. Step 4: Simplify right side
    7,189.47x = 24,365,966.70
  5. Step 5: Solve for x
    x = 24,365,966.70/7,189.47
  6. Step 6: Final answer
    x = 3,389.12

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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.