Home / 8,235.22-12,350.40-4,539.20

Finding the Fourth Proportional to 8,235.22, 12,350.40 and 4,539.20

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Solution

The fourth proportional to 8,235.22, 12,350.40 and 4,539.20 is: 6,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.22 : 12,350.40 = 4,539.20 : x
  2. Step 2: Convert to fraction form
    8,235.22/12,350.40 = 4,539.20/x
  3. Step 3: Cross multiply
    8,235.22x = 12,350.40 × 4,539.20
  4. Step 4: Simplify right side
    8,235.22x = 56,060,935.68
  5. Step 5: Solve for x
    x = 56,060,935.68/8,235.22
  6. Step 6: Final answer
    x = 6,807.46

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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.