Home / 5,140.60-7,094.01-2,782.74

Finding the Fourth Proportional to 5,140.60, 7,094.01 and 2,782.74

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Solution

The fourth proportional to 5,140.60, 7,094.01 and 2,782.74 is: 3,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.60 : 7,094.01 = 2,782.74 : x
  2. Step 2: Convert to fraction form
    5,140.60/7,094.01 = 2,782.74/x
  3. Step 3: Cross multiply
    5,140.60x = 7,094.01 × 2,782.74
  4. Step 4: Simplify right side
    5,140.60x = 19,740,785.39
  5. Step 5: Solve for x
    x = 19,740,785.39/5,140.60
  6. Step 6: Final answer
    x = 3,840.17

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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.