Home / 7,405.30-10,219.46-4,048.32

Finding the Fourth Proportional to 7,405.30, 10,219.46 and 4,048.32

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Solution

The fourth proportional to 7,405.30, 10,219.46 and 4,048.32 is: 5,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.30 : 10,219.46 = 4,048.32 : x
  2. Step 2: Convert to fraction form
    7,405.30/10,219.46 = 4,048.32/x
  3. Step 3: Cross multiply
    7,405.30x = 10,219.46 × 4,048.32
  4. Step 4: Simplify right side
    7,405.30x = 41,371,644.31
  5. Step 5: Solve for x
    x = 41,371,644.31/7,405.30
  6. Step 6: Final answer
    x = 5,586.76

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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.