Home / 7,762.90-11,643.45-2,217.10

Finding the Fourth Proportional to 7,762.90, 11,643.45 and 2,217.10

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Solution

The fourth proportional to 7,762.90, 11,643.45 and 2,217.10 is: 3,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.90 : 11,643.45 = 2,217.10 : x
  2. Step 2: Convert to fraction form
    7,762.90/11,643.45 = 2,217.10/x
  3. Step 3: Cross multiply
    7,762.90x = 11,643.45 × 2,217.10
  4. Step 4: Simplify right side
    7,762.90x = 25,814,693.00
  5. Step 5: Solve for x
    x = 25,814,693.00/7,762.90
  6. Step 6: Final answer
    x = 3,325.39

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1.5x scale

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.