Home / 5,386.48-8,081.02-1,875.97

Finding the Fourth Proportional to 5,386.48, 8,081.02 and 1,875.97

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Solution

The fourth proportional to 5,386.48, 8,081.02 and 1,875.97 is: 2,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.48 : 8,081.02 = 1,875.97 : x
  2. Step 2: Convert to fraction form
    5,386.48/8,081.02 = 1,875.97/x
  3. Step 3: Cross multiply
    5,386.48x = 8,081.02 × 1,875.97
  4. Step 4: Simplify right side
    5,386.48x = 15,159,751.09
  5. Step 5: Solve for x
    x = 15,159,751.09/5,386.48
  6. Step 6: Final answer
    x = 2,814.41

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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.