Home / 7,405.40-10,219.42-4,048.14

Finding the Fourth Proportional to 7,405.40, 10,219.42 and 4,048.14

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Solution

The fourth proportional to 7,405.40, 10,219.42 and 4,048.14 is: 5,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.40 : 10,219.42 = 4,048.14 : x
  2. Step 2: Convert to fraction form
    7,405.40/10,219.42 = 4,048.14/x
  3. Step 3: Cross multiply
    7,405.40x = 10,219.42 × 4,048.14
  4. Step 4: Simplify right side
    7,405.40x = 41,369,642.88
  5. Step 5: Solve for x
    x = 41,369,642.88/7,405.40
  6. Step 6: Final answer
    x = 5,586.42

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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.