Home / 7,618.38-10,513.56-4,261.32

Finding the Fourth Proportional to 7,618.38, 10,513.56 and 4,261.32

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Solution

The fourth proportional to 7,618.38, 10,513.56 and 4,261.32 is: 5,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.38 : 10,513.56 = 4,261.32 : x
  2. Step 2: Convert to fraction form
    7,618.38/10,513.56 = 4,261.32/x
  3. Step 3: Cross multiply
    7,618.38x = 10,513.56 × 4,261.32
  4. Step 4: Simplify right side
    7,618.38x = 44,801,643.50
  5. Step 5: Solve for x
    x = 44,801,643.50/7,618.38
  6. Step 6: Final answer
    x = 5,880.73

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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.