Home / 4,810.40-6,637.91-2,820.59

Finding the Fourth Proportional to 4,810.40, 6,637.91 and 2,820.59

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Solution

The fourth proportional to 4,810.40, 6,637.91 and 2,820.59 is: 3,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.40 : 6,637.91 = 2,820.59 : x
  2. Step 2: Convert to fraction form
    4,810.40/6,637.91 = 2,820.59/x
  3. Step 3: Cross multiply
    4,810.40x = 6,637.91 × 2,820.59
  4. Step 4: Simplify right side
    4,810.40x = 18,722,775.27
  5. Step 5: Solve for x
    x = 18,722,775.27/4,810.40
  6. Step 6: Final answer
    x = 3,892.15

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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.