Home / 4,547.24-6,820.62-1,469

Finding the Fourth Proportional to 4,547.24, 6,820.62 and 1,469

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Solution

The fourth proportional to 4,547.24, 6,820.62 and 1,469 is: 2,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.24 : 6,820.62 = 1,469 : x
  2. Step 2: Convert to fraction form
    4,547.24/6,820.62 = 1,469/x
  3. Step 3: Cross multiply
    4,547.24x = 6,820.62 × 1,469
  4. Step 4: Simplify right side
    4,547.24x = 10,019,490.78
  5. Step 5: Solve for x
    x = 10,019,490.78/4,547.24
  6. Step 6: Final answer
    x = 2,203.42

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1.5x scale

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.