Home / 7,618.53-10,513.26-4,431.36

Finding the Fourth Proportional to 7,618.53, 10,513.26 and 4,431.36

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Solution

The fourth proportional to 7,618.53, 10,513.26 and 4,431.36 is: 6,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.53 : 10,513.26 = 4,431.36 : x
  2. Step 2: Convert to fraction form
    7,618.53/10,513.26 = 4,431.36/x
  3. Step 3: Cross multiply
    7,618.53x = 10,513.26 × 4,431.36
  4. Step 4: Simplify right side
    7,618.53x = 46,588,039.83
  5. Step 5: Solve for x
    x = 46,588,039.83/7,618.53
  6. Step 6: Final answer
    x = 6,115.10

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1.5x scale

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.