Home / 4,810.08-6,638.10-2,820.36

Finding the Fourth Proportional to 4,810.08, 6,638.10 and 2,820.36

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Solution

The fourth proportional to 4,810.08, 6,638.10 and 2,820.36 is: 3,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.08 : 6,638.10 = 2,820.36 : x
  2. Step 2: Convert to fraction form
    4,810.08/6,638.10 = 2,820.36/x
  3. Step 3: Cross multiply
    4,810.08x = 6,638.10 × 2,820.36
  4. Step 4: Simplify right side
    4,810.08x = 18,721,831.72
  5. Step 5: Solve for x
    x = 18,721,831.72/4,810.08
  6. Step 6: Final answer
    x = 3,892.21

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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.