Home / 5,479.69-8,219.55-1,584.11

Finding the Fourth Proportional to 5,479.69, 8,219.55 and 1,584.11

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Solution

The fourth proportional to 5,479.69, 8,219.55 and 1,584.11 is: 2,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.69 : 8,219.55 = 1,584.11 : x
  2. Step 2: Convert to fraction form
    5,479.69/8,219.55 = 1,584.11/x
  3. Step 3: Cross multiply
    5,479.69x = 8,219.55 × 1,584.11
  4. Step 4: Simplify right side
    5,479.69x = 13,020,671.35
  5. Step 5: Solve for x
    x = 13,020,671.35/5,479.69
  6. Step 6: Final answer
    x = 2,376.17

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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.