Home / 4,810.86-6,637.14-2,820.69

Finding the Fourth Proportional to 4,810.86, 6,637.14 and 2,820.69

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Solution

The fourth proportional to 4,810.86, 6,637.14 and 2,820.69 is: 3,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.86 : 6,637.14 = 2,820.69 : x
  2. Step 2: Convert to fraction form
    4,810.86/6,637.14 = 2,820.69/x
  3. Step 3: Cross multiply
    4,810.86x = 6,637.14 × 2,820.69
  4. Step 4: Simplify right side
    4,810.86x = 18,721,314.43
  5. Step 5: Solve for x
    x = 18,721,314.43/4,810.86
  6. Step 6: Final answer
    x = 3,891.47

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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.