Home / 6,180-8,528.40-3,385.44

Finding the Fourth Proportional to 6,180, 8,528.40 and 3,385.44

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Solution

The fourth proportional to 6,180, 8,528.40 and 3,385.44 is: 4,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180 : 8,528.40 = 3,385.44 : x
  2. Step 2: Convert to fraction form
    6,180/8,528.40 = 3,385.44/x
  3. Step 3: Cross multiply
    6,180x = 8,528.40 × 3,385.44
  4. Step 4: Simplify right side
    6,180x = 28,872,386.50
  5. Step 5: Solve for x
    x = 28,872,386.50/6,180
  6. Step 6: Final answer
    x = 4,671.91

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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.