Home / 7,618.32-10,513.40-4,261.28

Finding the Fourth Proportional to 7,618.32, 10,513.40 and 4,261.28

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Solution

The fourth proportional to 7,618.32, 10,513.40 and 4,261.28 is: 5,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.32 : 10,513.40 = 4,261.28 : x
  2. Step 2: Convert to fraction form
    7,618.32/10,513.40 = 4,261.28/x
  3. Step 3: Cross multiply
    7,618.32x = 10,513.40 × 4,261.28
  4. Step 4: Simplify right side
    7,618.32x = 44,800,467.28
  5. Step 5: Solve for x
    x = 44,800,467.28/7,618.32
  6. Step 6: Final answer
    x = 5,880.62

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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.