Home / 7,278.10-10,043.93-4,134.22

Finding the Fourth Proportional to 7,278.10, 10,043.93 and 4,134.22

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Solution

The fourth proportional to 7,278.10, 10,043.93 and 4,134.22 is: 5,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.10 : 10,043.93 = 4,134.22 : x
  2. Step 2: Convert to fraction form
    7,278.10/10,043.93 = 4,134.22/x
  3. Step 3: Cross multiply
    7,278.10x = 10,043.93 × 4,134.22
  4. Step 4: Simplify right side
    7,278.10x = 41,523,816.28
  5. Step 5: Solve for x
    x = 41,523,816.28/7,278.10
  6. Step 6: Final answer
    x = 5,705.31

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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.