Home / 7,189.83-10,787.37-3,030.87

Finding the Fourth Proportional to 7,189.83, 10,787.37 and 3,030.87

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Solution

The fourth proportional to 7,189.83, 10,787.37 and 3,030.87 is: 4,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.83 : 10,787.37 = 3,030.87 : x
  2. Step 2: Convert to fraction form
    7,189.83/10,787.37 = 3,030.87/x
  3. Step 3: Cross multiply
    7,189.83x = 10,787.37 × 3,030.87
  4. Step 4: Simplify right side
    7,189.83x = 32,695,116.11
  5. Step 5: Solve for x
    x = 32,695,116.11/7,189.83
  6. Step 6: Final answer
    x = 4,547.41

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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.