Home / 4,385.12-6,562.74-3,415.64

Finding the Fourth Proportional to 4,385.12, 6,562.74 and 3,415.64

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Solution

The fourth proportional to 4,385.12, 6,562.74 and 3,415.64 is: 5,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.12 : 6,562.74 = 3,415.64 : x
  2. Step 2: Convert to fraction form
    4,385.12/6,562.74 = 3,415.64/x
  3. Step 3: Cross multiply
    4,385.12x = 6,562.74 × 3,415.64
  4. Step 4: Simplify right side
    4,385.12x = 22,415,957.25
  5. Step 5: Solve for x
    x = 22,415,957.25/4,385.12
  6. Step 6: Final answer
    x = 5,111.82

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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.