Home / 8,677.32-13,019.62-4,518.38

Finding the Fourth Proportional to 8,677.32, 13,019.62 and 4,518.38

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Solution

The fourth proportional to 8,677.32, 13,019.62 and 4,518.38 is: 6,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.32 : 13,019.62 = 4,518.38 : x
  2. Step 2: Convert to fraction form
    8,677.32/13,019.62 = 4,518.38/x
  3. Step 3: Cross multiply
    8,677.32x = 13,019.62 × 4,518.38
  4. Step 4: Simplify right side
    8,677.32x = 58,827,590.62
  5. Step 5: Solve for x
    x = 58,827,590.62/8,677.32
  6. Step 6: Final answer
    x = 6,779.47

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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.