Home / 4,810.89-6,638.96-2,686.32

Finding the Fourth Proportional to 4,810.89, 6,638.96 and 2,686.32

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Solution

The fourth proportional to 4,810.89, 6,638.96 and 2,686.32 is: 3,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.89 : 6,638.96 = 2,686.32 : x
  2. Step 2: Convert to fraction form
    4,810.89/6,638.96 = 2,686.32/x
  3. Step 3: Cross multiply
    4,810.89x = 6,638.96 × 2,686.32
  4. Step 4: Simplify right side
    4,810.89x = 17,834,357.60
  5. Step 5: Solve for x
    x = 17,834,357.60/4,810.89
  6. Step 6: Final answer
    x = 3,707.08

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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.