Home / 7,637.48-11,457.84-2,640.32

Finding the Fourth Proportional to 7,637.48, 11,457.84 and 2,640.32

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Solution

The fourth proportional to 7,637.48, 11,457.84 and 2,640.32 is: 3,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.48 : 11,457.84 = 2,640.32 : x
  2. Step 2: Convert to fraction form
    7,637.48/11,457.84 = 2,640.32/x
  3. Step 3: Cross multiply
    7,637.48x = 11,457.84 × 2,640.32
  4. Step 4: Simplify right side
    7,637.48x = 30,252,364.11
  5. Step 5: Solve for x
    x = 30,252,364.11/7,637.48
  6. Step 6: Final answer
    x = 3,961.04

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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.