Home / 7,639.60-11,457.96-3,741.52

Finding the Fourth Proportional to 7,639.60, 11,457.96 and 3,741.52

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Solution

The fourth proportional to 7,639.60, 11,457.96 and 3,741.52 is: 5,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.60 : 11,457.96 = 3,741.52 : x
  2. Step 2: Convert to fraction form
    7,639.60/11,457.96 = 3,741.52/x
  3. Step 3: Cross multiply
    7,639.60x = 11,457.96 × 3,741.52
  4. Step 4: Simplify right side
    7,639.60x = 42,870,186.50
  5. Step 5: Solve for x
    x = 42,870,186.50/7,639.60
  6. Step 6: Final answer
    x = 5,611.57

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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.