Home / 4,031.32-6,047.01-1,109.78

Finding the Fourth Proportional to 4,031.32, 6,047.01 and 1,109.78

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Solution

The fourth proportional to 4,031.32, 6,047.01 and 1,109.78 is: 1,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031.32 : 6,047.01 = 1,109.78 : x
  2. Step 2: Convert to fraction form
    4,031.32/6,047.01 = 1,109.78/x
  3. Step 3: Cross multiply
    4,031.32x = 6,047.01 × 1,109.78
  4. Step 4: Simplify right side
    4,031.32x = 6,710,865.88
  5. Step 5: Solve for x
    x = 6,710,865.88/4,031.32
  6. Step 6: Final answer
    x = 1,664.68

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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.