Home / 8,978.04-13,467.39-4,590.36

Finding the Fourth Proportional to 8,978.04, 13,467.39 and 4,590.36

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Solution

The fourth proportional to 8,978.04, 13,467.39 and 4,590.36 is: 6,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978.04 : 13,467.39 = 4,590.36 : x
  2. Step 2: Convert to fraction form
    8,978.04/13,467.39 = 4,590.36/x
  3. Step 3: Cross multiply
    8,978.04x = 13,467.39 × 4,590.36
  4. Step 4: Simplify right side
    8,978.04x = 61,820,168.36
  5. Step 5: Solve for x
    x = 61,820,168.36/8,978.04
  6. Step 6: Final answer
    x = 6,885.71

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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.