Home / 6,465.09-8,921.75-3,670.41

Finding the Fourth Proportional to 6,465.09, 8,921.75 and 3,670.41

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Solution

The fourth proportional to 6,465.09, 8,921.75 and 3,670.41 is: 5,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.09 : 8,921.75 = 3,670.41 : x
  2. Step 2: Convert to fraction form
    6,465.09/8,921.75 = 3,670.41/x
  3. Step 3: Cross multiply
    6,465.09x = 8,921.75 × 3,670.41
  4. Step 4: Simplify right side
    6,465.09x = 32,746,462.07
  5. Step 5: Solve for x
    x = 32,746,462.07/6,465.09
  6. Step 6: Final answer
    x = 5,065.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.