Home / 4,810.16-6,637.89-2,821.70

Finding the Fourth Proportional to 4,810.16, 6,637.89 and 2,821.70

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Solution

The fourth proportional to 4,810.16, 6,637.89 and 2,821.70 is: 3,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.16 : 6,637.89 = 2,821.70 : x
  2. Step 2: Convert to fraction form
    4,810.16/6,637.89 = 2,821.70/x
  3. Step 3: Cross multiply
    4,810.16x = 6,637.89 × 2,821.70
  4. Step 4: Simplify right side
    4,810.16x = 18,730,134.21
  5. Step 5: Solve for x
    x = 18,730,134.21/4,810.16
  6. Step 6: Final answer
    x = 3,893.87

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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.