Home / 8,678.30-13,008.14-3,750.26

Finding the Fourth Proportional to 8,678.30, 13,008.14 and 3,750.26

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Solution

The fourth proportional to 8,678.30, 13,008.14 and 3,750.26 is: 5,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.30 : 13,008.14 = 3,750.26 : x
  2. Step 2: Convert to fraction form
    8,678.30/13,008.14 = 3,750.26/x
  3. Step 3: Cross multiply
    8,678.30x = 13,008.14 × 3,750.26
  4. Step 4: Simplify right side
    8,678.30x = 48,783,907.12
  5. Step 5: Solve for x
    x = 48,783,907.12/8,678.30
  6. Step 6: Final answer
    x = 5,621.37

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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.