Home / 6,761.28-10,140.09-4,583.40

Finding the Fourth Proportional to 6,761.28, 10,140.09 and 4,583.40

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Solution

The fourth proportional to 6,761.28, 10,140.09 and 4,583.40 is: 6,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.28 : 10,140.09 = 4,583.40 : x
  2. Step 2: Convert to fraction form
    6,761.28/10,140.09 = 4,583.40/x
  3. Step 3: Cross multiply
    6,761.28x = 10,140.09 × 4,583.40
  4. Step 4: Simplify right side
    6,761.28x = 46,476,088.51
  5. Step 5: Solve for x
    x = 46,476,088.51/6,761.28
  6. Step 6: Final answer
    x = 6,873.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.