Home / 7,409.04-10,222.32-4,576.80

Finding the Fourth Proportional to 7,409.04, 10,222.32 and 4,576.80

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Solution

The fourth proportional to 7,409.04, 10,222.32 and 4,576.80 is: 6,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.04 : 10,222.32 = 4,576.80 : x
  2. Step 2: Convert to fraction form
    7,409.04/10,222.32 = 4,576.80/x
  3. Step 3: Cross multiply
    7,409.04x = 10,222.32 × 4,576.80
  4. Step 4: Simplify right side
    7,409.04x = 46,785,514.18
  5. Step 5: Solve for x
    x = 46,785,514.18/7,409.04
  6. Step 6: Final answer
    x = 6,314.65

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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.