Home / 5,631.04-8,435.58-3,677.32

Finding the Fourth Proportional to 5,631.04, 8,435.58 and 3,677.32

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Solution

The fourth proportional to 5,631.04, 8,435.58 and 3,677.32 is: 5,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.04 : 8,435.58 = 3,677.32 : x
  2. Step 2: Convert to fraction form
    5,631.04/8,435.58 = 3,677.32/x
  3. Step 3: Cross multiply
    5,631.04x = 8,435.58 × 3,677.32
  4. Step 4: Simplify right side
    5,631.04x = 31,020,327.05
  5. Step 5: Solve for x
    x = 31,020,327.05/5,631.04
  6. Step 6: Final answer
    x = 5,508.81

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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.