Home / 5,018.81-7,528.28-2,386.59

Finding the Fourth Proportional to 5,018.81, 7,528.28 and 2,386.59

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Solution

The fourth proportional to 5,018.81, 7,528.28 and 2,386.59 is: 3,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.81 : 7,528.28 = 2,386.59 : x
  2. Step 2: Convert to fraction form
    5,018.81/7,528.28 = 2,386.59/x
  3. Step 3: Cross multiply
    5,018.81x = 7,528.28 × 2,386.59
  4. Step 4: Simplify right side
    5,018.81x = 17,966,917.77
  5. Step 5: Solve for x
    x = 17,966,917.77/5,018.81
  6. Step 6: Final answer
    x = 3,579.92

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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.