Home / 4,875.40-7,311.80-1,365.19

Finding the Fourth Proportional to 4,875.40, 7,311.80 and 1,365.19

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Solution

The fourth proportional to 4,875.40, 7,311.80 and 1,365.19 is: 2,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.40 : 7,311.80 = 1,365.19 : x
  2. Step 2: Convert to fraction form
    4,875.40/7,311.80 = 1,365.19/x
  3. Step 3: Cross multiply
    4,875.40x = 7,311.80 × 1,365.19
  4. Step 4: Simplify right side
    4,875.40x = 9,981,996.24
  5. Step 5: Solve for x
    x = 9,981,996.24/4,875.40
  6. Step 6: Final answer
    x = 2,047.42

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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.