Home / 7,405.13-10,219.32-4,048.13

Finding the Fourth Proportional to 7,405.13, 10,219.32 and 4,048.13

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Solution

The fourth proportional to 7,405.13, 10,219.32 and 4,048.13 is: 5,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.13 : 10,219.32 = 4,048.13 : x
  2. Step 2: Convert to fraction form
    7,405.13/10,219.32 = 4,048.13/x
  3. Step 3: Cross multiply
    7,405.13x = 10,219.32 × 4,048.13
  4. Step 4: Simplify right side
    7,405.13x = 41,369,135.87
  5. Step 5: Solve for x
    x = 41,369,135.87/7,405.13
  6. Step 6: Final answer
    x = 5,586.55

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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.