Home / 8,454.86-12,675.45-3,528.18

Finding the Fourth Proportional to 8,454.86, 12,675.45 and 3,528.18

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Solution

The fourth proportional to 8,454.86, 12,675.45 and 3,528.18 is: 5,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.86 : 12,675.45 = 3,528.18 : x
  2. Step 2: Convert to fraction form
    8,454.86/12,675.45 = 3,528.18/x
  3. Step 3: Cross multiply
    8,454.86x = 12,675.45 × 3,528.18
  4. Step 4: Simplify right side
    8,454.86x = 44,721,303.18
  5. Step 5: Solve for x
    x = 44,721,303.18/8,454.86
  6. Step 6: Final answer
    x = 5,289.42

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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.