Home / 6,445.80-8,894.41-3,612.94

Finding the Fourth Proportional to 6,445.80, 8,894.41 and 3,612.94

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Solution

The fourth proportional to 6,445.80, 8,894.41 and 3,612.94 is: 4,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.80 : 8,894.41 = 3,612.94 : x
  2. Step 2: Convert to fraction form
    6,445.80/8,894.41 = 3,612.94/x
  3. Step 3: Cross multiply
    6,445.80x = 8,894.41 × 3,612.94
  4. Step 4: Simplify right side
    6,445.80x = 32,134,969.67
  5. Step 5: Solve for x
    x = 32,134,969.67/6,445.80
  6. Step 6: Final answer
    x = 4,985.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.