Home / 4,293.90-6,440.04-2,101.23

Finding the Fourth Proportional to 4,293.90, 6,440.04 and 2,101.23

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Solution

The fourth proportional to 4,293.90, 6,440.04 and 2,101.23 is: 3,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.90 : 6,440.04 = 2,101.23 : x
  2. Step 2: Convert to fraction form
    4,293.90/6,440.04 = 2,101.23/x
  3. Step 3: Cross multiply
    4,293.90x = 6,440.04 × 2,101.23
  4. Step 4: Simplify right side
    4,293.90x = 13,532,005.25
  5. Step 5: Solve for x
    x = 13,532,005.25/4,293.90
  6. Step 6: Final answer
    x = 3,151.45

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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.