Home / 7,618.10-10,513.51-4,261.23

Finding the Fourth Proportional to 7,618.10, 10,513.51 and 4,261.23

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Solution

The fourth proportional to 7,618.10, 10,513.51 and 4,261.23 is: 5,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.10 : 10,513.51 = 4,261.23 : x
  2. Step 2: Convert to fraction form
    7,618.10/10,513.51 = 4,261.23/x
  3. Step 3: Cross multiply
    7,618.10x = 10,513.51 × 4,261.23
  4. Step 4: Simplify right side
    7,618.10x = 44,800,431.65
  5. Step 5: Solve for x
    x = 44,800,431.65/7,618.10
  6. Step 6: Final answer
    x = 5,880.79

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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.