Home / 4,809.77-6,637.51-2,820.36

Finding the Fourth Proportional to 4,809.77, 6,637.51 and 2,820.36

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Solution

The fourth proportional to 4,809.77, 6,637.51 and 2,820.36 is: 3,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.77 : 6,637.51 = 2,820.36 : x
  2. Step 2: Convert to fraction form
    4,809.77/6,637.51 = 2,820.36/x
  3. Step 3: Cross multiply
    4,809.77x = 6,637.51 × 2,820.36
  4. Step 4: Simplify right side
    4,809.77x = 18,720,135.76
  5. Step 5: Solve for x
    x = 18,720,135.76/4,809.77
  6. Step 6: Final answer
    x = 3,892.11

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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.