Home / 7,416.33-11,117.93-2,802.57

Finding the Fourth Proportional to 7,416.33, 11,117.93 and 2,802.57

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Solution

The fourth proportional to 7,416.33, 11,117.93 and 2,802.57 is: 4,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.33 : 11,117.93 = 2,802.57 : x
  2. Step 2: Convert to fraction form
    7,416.33/11,117.93 = 2,802.57/x
  3. Step 3: Cross multiply
    7,416.33x = 11,117.93 × 2,802.57
  4. Step 4: Simplify right side
    7,416.33x = 31,158,763.07
  5. Step 5: Solve for x
    x = 31,158,763.07/7,416.33
  6. Step 6: Final answer
    x = 4,201.37

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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.