Home / 4,261.11-6,386.28-1,918.62

Finding the Fourth Proportional to 4,261.11, 6,386.28 and 1,918.62

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Solution

The fourth proportional to 4,261.11, 6,386.28 and 1,918.62 is: 2,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.11 : 6,386.28 = 1,918.62 : x
  2. Step 2: Convert to fraction form
    4,261.11/6,386.28 = 1,918.62/x
  3. Step 3: Cross multiply
    4,261.11x = 6,386.28 × 1,918.62
  4. Step 4: Simplify right side
    4,261.11x = 12,252,844.53
  5. Step 5: Solve for x
    x = 12,252,844.53/4,261.11
  6. Step 6: Final answer
    x = 2,875.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.