Home / 7,388.99-10,202.25-5,289.47

Finding the Fourth Proportional to 7,388.99, 10,202.25 and 5,289.47

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Solution

The fourth proportional to 7,388.99, 10,202.25 and 5,289.47 is: 7,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.99 : 10,202.25 = 5,289.47 : x
  2. Step 2: Convert to fraction form
    7,388.99/10,202.25 = 5,289.47/x
  3. Step 3: Cross multiply
    7,388.99x = 10,202.25 × 5,289.47
  4. Step 4: Simplify right side
    7,388.99x = 53,964,444.30
  5. Step 5: Solve for x
    x = 53,964,444.30/7,388.99
  6. Step 6: Final answer
    x = 7,303.36

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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.