Home / 7,509.15-11,259.99-4,389.93

Finding the Fourth Proportional to 7,509.15, 11,259.99 and 4,389.93

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Solution

The fourth proportional to 7,509.15, 11,259.99 and 4,389.93 is: 6,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.15 : 11,259.99 = 4,389.93 : x
  2. Step 2: Convert to fraction form
    7,509.15/11,259.99 = 4,389.93/x
  3. Step 3: Cross multiply
    7,509.15x = 11,259.99 × 4,389.93
  4. Step 4: Simplify right side
    7,509.15x = 49,430,567.90
  5. Step 5: Solve for x
    x = 49,430,567.90/7,509.15
  6. Step 6: Final answer
    x = 6,582.71

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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.