Home / 4,445.78-6,663.36-2,070.68

Finding the Fourth Proportional to 4,445.78, 6,663.36 and 2,070.68

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Solution

The fourth proportional to 4,445.78, 6,663.36 and 2,070.68 is: 3,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.78 : 6,663.36 = 2,070.68 : x
  2. Step 2: Convert to fraction form
    4,445.78/6,663.36 = 2,070.68/x
  3. Step 3: Cross multiply
    4,445.78x = 6,663.36 × 2,070.68
  4. Step 4: Simplify right side
    4,445.78x = 13,797,686.28
  5. Step 5: Solve for x
    x = 13,797,686.28/4,445.78
  6. Step 6: Final answer
    x = 3,103.55

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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.