Home / 7,688.51-11,534.85-2,494.38

Finding the Fourth Proportional to 7,688.51, 11,534.85 and 2,494.38

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Solution

The fourth proportional to 7,688.51, 11,534.85 and 2,494.38 is: 3,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.51 : 11,534.85 = 2,494.38 : x
  2. Step 2: Convert to fraction form
    7,688.51/11,534.85 = 2,494.38/x
  3. Step 3: Cross multiply
    7,688.51x = 11,534.85 × 2,494.38
  4. Step 4: Simplify right side
    7,688.51x = 28,772,299.14
  5. Step 5: Solve for x
    x = 28,772,299.14/7,688.51
  6. Step 6: Final answer
    x = 3,742.25

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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.