Home / 7,637.46-11,457.42-3,742.17

Finding the Fourth Proportional to 7,637.46, 11,457.42 and 3,742.17

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Solution

The fourth proportional to 7,637.46, 11,457.42 and 3,742.17 is: 5,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.46 : 11,457.42 = 3,742.17 : x
  2. Step 2: Convert to fraction form
    7,637.46/11,457.42 = 3,742.17/x
  3. Step 3: Cross multiply
    7,637.46x = 11,457.42 × 3,742.17
  4. Step 4: Simplify right side
    7,637.46x = 42,875,613.40
  5. Step 5: Solve for x
    x = 42,875,613.40/7,637.46
  6. Step 6: Final answer
    x = 5,613.86

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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.