Home / 7,345.32-11,008.26-5,388.36

Finding the Fourth Proportional to 7,345.32, 11,008.26 and 5,388.36

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Solution

The fourth proportional to 7,345.32, 11,008.26 and 5,388.36 is: 8,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.32 : 11,008.26 = 5,388.36 : x
  2. Step 2: Convert to fraction form
    7,345.32/11,008.26 = 5,388.36/x
  3. Step 3: Cross multiply
    7,345.32x = 11,008.26 × 5,388.36
  4. Step 4: Simplify right side
    7,345.32x = 59,316,467.85
  5. Step 5: Solve for x
    x = 59,316,467.85/7,345.32
  6. Step 6: Final answer
    x = 8,075.41

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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.