Home / 5,140.90-7,094.43-2,783.04

Finding the Fourth Proportional to 5,140.90, 7,094.43 and 2,783.04

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Solution

The fourth proportional to 5,140.90, 7,094.43 and 2,783.04 is: 3,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.90 : 7,094.43 = 2,783.04 : x
  2. Step 2: Convert to fraction form
    5,140.90/7,094.43 = 2,783.04/x
  3. Step 3: Cross multiply
    5,140.90x = 7,094.43 × 2,783.04
  4. Step 4: Simplify right side
    5,140.90x = 19,744,082.47
  5. Step 5: Solve for x
    x = 19,744,082.47/5,140.90
  6. Step 6: Final answer
    x = 3,840.59

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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.