Home / 7,409.57-10,223.70-4,424.32

Finding the Fourth Proportional to 7,409.57, 10,223.70 and 4,424.32

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Solution

The fourth proportional to 7,409.57, 10,223.70 and 4,424.32 is: 6,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.57 : 10,223.70 = 4,424.32 : x
  2. Step 2: Convert to fraction form
    7,409.57/10,223.70 = 4,424.32/x
  3. Step 3: Cross multiply
    7,409.57x = 10,223.70 × 4,424.32
  4. Step 4: Simplify right side
    7,409.57x = 45,232,869.27
  5. Step 5: Solve for x
    x = 45,232,869.27/7,409.57
  6. Step 6: Final answer
    x = 6,104.66

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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.