Home / 7,345.66-11,019.19-2,415.34

Finding the Fourth Proportional to 7,345.66, 11,019.19 and 2,415.34

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Solution

The fourth proportional to 7,345.66, 11,019.19 and 2,415.34 is: 3,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.66 : 11,019.19 = 2,415.34 : x
  2. Step 2: Convert to fraction form
    7,345.66/11,019.19 = 2,415.34/x
  3. Step 3: Cross multiply
    7,345.66x = 11,019.19 × 2,415.34
  4. Step 4: Simplify right side
    7,345.66x = 26,615,090.37
  5. Step 5: Solve for x
    x = 26,615,090.37/7,345.66
  6. Step 6: Final answer
    x = 3,623.24

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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.