Home / 4,810.38-6,637.95-2,820.66

Finding the Fourth Proportional to 4,810.38, 6,637.95 and 2,820.66

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Solution

The fourth proportional to 4,810.38, 6,637.95 and 2,820.66 is: 3,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.38 : 6,637.95 = 2,820.66 : x
  2. Step 2: Convert to fraction form
    4,810.38/6,637.95 = 2,820.66/x
  3. Step 3: Cross multiply
    4,810.38x = 6,637.95 × 2,820.66
  4. Step 4: Simplify right side
    4,810.38x = 18,723,400.05
  5. Step 5: Solve for x
    x = 18,723,400.05/4,810.38
  6. Step 6: Final answer
    x = 3,892.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.