Home / 7,624.80-11,456.40-4,852.80

Finding the Fourth Proportional to 7,624.80, 11,456.40 and 4,852.80

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Solution

The fourth proportional to 7,624.80, 11,456.40 and 4,852.80 is: 7,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.80 : 11,456.40 = 4,852.80 : x
  2. Step 2: Convert to fraction form
    7,624.80/11,456.40 = 4,852.80/x
  3. Step 3: Cross multiply
    7,624.80x = 11,456.40 × 4,852.80
  4. Step 4: Simplify right side
    7,624.80x = 55,595,617.92
  5. Step 5: Solve for x
    x = 55,595,617.92/7,624.80
  6. Step 6: Final answer
    x = 7,291.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.