Home / 9,639.49-14,459.07-3,719.22

Finding the Fourth Proportional to 9,639.49, 14,459.07 and 3,719.22

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Solution

The fourth proportional to 9,639.49, 14,459.07 and 3,719.22 is: 5,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.49 : 14,459.07 = 3,719.22 : x
  2. Step 2: Convert to fraction form
    9,639.49/14,459.07 = 3,719.22/x
  3. Step 3: Cross multiply
    9,639.49x = 14,459.07 × 3,719.22
  4. Step 4: Simplify right side
    9,639.49x = 53,776,462.33
  5. Step 5: Solve for x
    x = 53,776,462.33/9,639.49
  6. Step 6: Final answer
    x = 5,578.77

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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.