Home / 7,342.21-11,015.61-2,345.32

Finding the Fourth Proportional to 7,342.21, 11,015.61 and 2,345.32

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Solution

The fourth proportional to 7,342.21, 11,015.61 and 2,345.32 is: 3,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.21 : 11,015.61 = 2,345.32 : x
  2. Step 2: Convert to fraction form
    7,342.21/11,015.61 = 2,345.32/x
  3. Step 3: Cross multiply
    7,342.21x = 11,015.61 × 2,345.32
  4. Step 4: Simplify right side
    7,342.21x = 25,835,130.45
  5. Step 5: Solve for x
    x = 25,835,130.45/7,342.21
  6. Step 6: Final answer
    x = 3,518.71

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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.