Home / 7,090.32-10,635.48-2,160

Finding the Fourth Proportional to 7,090.32, 10,635.48 and 2,160

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Solution

The fourth proportional to 7,090.32, 10,635.48 and 2,160 is: 3,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.32 : 10,635.48 = 2,160 : x
  2. Step 2: Convert to fraction form
    7,090.32/10,635.48 = 2,160/x
  3. Step 3: Cross multiply
    7,090.32x = 10,635.48 × 2,160
  4. Step 4: Simplify right side
    7,090.32x = 22,972,636.80
  5. Step 5: Solve for x
    x = 22,972,636.80/7,090.32
  6. Step 6: Final answer
    x = 3,240.00

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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.