Home / 7,640.32-11,457.96-2,444.92

Finding the Fourth Proportional to 7,640.32, 11,457.96 and 2,444.92

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Solution

The fourth proportional to 7,640.32, 11,457.96 and 2,444.92 is: 3,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.32 : 11,457.96 = 2,444.92 : x
  2. Step 2: Convert to fraction form
    7,640.32/11,457.96 = 2,444.92/x
  3. Step 3: Cross multiply
    7,640.32x = 11,457.96 × 2,444.92
  4. Step 4: Simplify right side
    7,640.32x = 28,013,795.56
  5. Step 5: Solve for x
    x = 28,013,795.56/7,640.32
  6. Step 6: Final answer
    x = 3,666.57

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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.