Home / 7,637.77-11,457.38-2,372.84

Finding the Fourth Proportional to 7,637.77, 11,457.38 and 2,372.84

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Solution

The fourth proportional to 7,637.77, 11,457.38 and 2,372.84 is: 3,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.77 : 11,457.38 = 2,372.84 : x
  2. Step 2: Convert to fraction form
    7,637.77/11,457.38 = 2,372.84/x
  3. Step 3: Cross multiply
    7,637.77x = 11,457.38 × 2,372.84
  4. Step 4: Simplify right side
    7,637.77x = 27,186,529.56
  5. Step 5: Solve for x
    x = 27,186,529.56/7,637.77
  6. Step 6: Final answer
    x = 3,559.49

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Half scale
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Double scale
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Similar ratio
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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.