Home / 7,384.51-11,064.44-5,189.31

Finding the Fourth Proportional to 7,384.51, 11,064.44 and 5,189.31

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Solution

The fourth proportional to 7,384.51, 11,064.44 and 5,189.31 is: 7,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.51 : 11,064.44 = 5,189.31 : x
  2. Step 2: Convert to fraction form
    7,384.51/11,064.44 = 5,189.31/x
  3. Step 3: Cross multiply
    7,384.51x = 11,064.44 × 5,189.31
  4. Step 4: Simplify right side
    7,384.51x = 57,416,809.14
  5. Step 5: Solve for x
    x = 57,416,809.14/7,384.51
  6. Step 6: Final answer
    x = 7,775.30

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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.