Home / 8,699.90-13,050.63-2,459.99

Finding the Fourth Proportional to 8,699.90, 13,050.63 and 2,459.99

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Solution

The fourth proportional to 8,699.90, 13,050.63 and 2,459.99 is: 3,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.90 : 13,050.63 = 2,459.99 : x
  2. Step 2: Convert to fraction form
    8,699.90/13,050.63 = 2,459.99/x
  3. Step 3: Cross multiply
    8,699.90x = 13,050.63 × 2,459.99
  4. Step 4: Simplify right side
    8,699.90x = 32,104,451.92
  5. Step 5: Solve for x
    x = 32,104,451.92/8,699.90
  6. Step 6: Final answer
    x = 3,690.21

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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.