Home / 9,742.40-14,619.05-3,899.46

Finding the Fourth Proportional to 9,742.40, 14,619.05 and 3,899.46

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Solution

The fourth proportional to 9,742.40, 14,619.05 and 3,899.46 is: 5,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.40 : 14,619.05 = 3,899.46 : x
  2. Step 2: Convert to fraction form
    9,742.40/14,619.05 = 3,899.46/x
  3. Step 3: Cross multiply
    9,742.40x = 14,619.05 × 3,899.46
  4. Step 4: Simplify right side
    9,742.40x = 57,006,400.71
  5. Step 5: Solve for x
    x = 57,006,400.71/9,742.40
  6. Step 6: Final answer
    x = 5,851.37

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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.