Home / 8,438.32-12,652.74-3,504.64

Finding the Fourth Proportional to 8,438.32, 12,652.74 and 3,504.64

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Solution

The fourth proportional to 8,438.32, 12,652.74 and 3,504.64 is: 5,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.32 : 12,652.74 = 3,504.64 : x
  2. Step 2: Convert to fraction form
    8,438.32/12,652.74 = 3,504.64/x
  3. Step 3: Cross multiply
    8,438.32x = 12,652.74 × 3,504.64
  4. Step 4: Simplify right side
    8,438.32x = 44,343,298.71
  5. Step 5: Solve for x
    x = 44,343,298.71/8,438.32
  6. Step 6: Final answer
    x = 5,254.99

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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.