Home / 4,547.28-6,820.68-1,469.28

Finding the Fourth Proportional to 4,547.28, 6,820.68 and 1,469.28

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Solution

The fourth proportional to 4,547.28, 6,820.68 and 1,469.28 is: 2,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.28 : 6,820.68 = 1,469.28 : x
  2. Step 2: Convert to fraction form
    4,547.28/6,820.68 = 1,469.28/x
  3. Step 3: Cross multiply
    4,547.28x = 6,820.68 × 1,469.28
  4. Step 4: Simplify right side
    4,547.28x = 10,021,488.71
  5. Step 5: Solve for x
    x = 10,021,488.71/4,547.28
  6. Step 6: Final answer
    x = 2,203.84

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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.