Home / 8,341.38-12,485.88-4,631.72

Finding the Fourth Proportional to 8,341.38, 12,485.88 and 4,631.72

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Solution

The fourth proportional to 8,341.38, 12,485.88 and 4,631.72 is: 6,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.38 : 12,485.88 = 4,631.72 : x
  2. Step 2: Convert to fraction form
    8,341.38/12,485.88 = 4,631.72/x
  3. Step 3: Cross multiply
    8,341.38x = 12,485.88 × 4,631.72
  4. Step 4: Simplify right side
    8,341.38x = 57,831,037.68
  5. Step 5: Solve for x
    x = 57,831,037.68/8,341.38
  6. Step 6: Final answer
    x = 6,933.03

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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.