Home / 7,627.80-11,444.40-7,357.80

Finding the Fourth Proportional to 7,627.80, 11,444.40 and 7,357.80

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Solution

The fourth proportional to 7,627.80, 11,444.40 and 7,357.80 is: 11,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.80 : 11,444.40 = 7,357.80 : x
  2. Step 2: Convert to fraction form
    7,627.80/11,444.40 = 7,357.80/x
  3. Step 3: Cross multiply
    7,627.80x = 11,444.40 × 7,357.80
  4. Step 4: Simplify right side
    7,627.80x = 84,205,606.32
  5. Step 5: Solve for x
    x = 84,205,606.32/7,627.80
  6. Step 6: Final answer
    x = 11,039.30

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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.