Home / 9,140.48-13,707.93-3,875.39

Finding the Fourth Proportional to 9,140.48, 13,707.93 and 3,875.39

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Solution

The fourth proportional to 9,140.48, 13,707.93 and 3,875.39 is: 5,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.48 : 13,707.93 = 3,875.39 : x
  2. Step 2: Convert to fraction form
    9,140.48/13,707.93 = 3,875.39/x
  3. Step 3: Cross multiply
    9,140.48x = 13,707.93 × 3,875.39
  4. Step 4: Simplify right side
    9,140.48x = 53,123,609.11
  5. Step 5: Solve for x
    x = 53,123,609.11/9,140.48
  6. Step 6: Final answer
    x = 5,811.90

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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.