Home / 7,261.65-10,021.46-4,278.42

Finding the Fourth Proportional to 7,261.65, 10,021.46 and 4,278.42

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Solution

The fourth proportional to 7,261.65, 10,021.46 and 4,278.42 is: 5,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.65 : 10,021.46 = 4,278.42 : x
  2. Step 2: Convert to fraction form
    7,261.65/10,021.46 = 4,278.42/x
  3. Step 3: Cross multiply
    7,261.65x = 10,021.46 × 4,278.42
  4. Step 4: Simplify right side
    7,261.65x = 42,875,993.50
  5. Step 5: Solve for x
    x = 42,875,993.50/7,261.65
  6. Step 6: Final answer
    x = 5,904.44

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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.