Home / 4,047.36-6,070.56-1,311.36

Finding the Fourth Proportional to 4,047.36, 6,070.56 and 1,311.36

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Solution

The fourth proportional to 4,047.36, 6,070.56 and 1,311.36 is: 1,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.36 : 6,070.56 = 1,311.36 : x
  2. Step 2: Convert to fraction form
    4,047.36/6,070.56 = 1,311.36/x
  3. Step 3: Cross multiply
    4,047.36x = 6,070.56 × 1,311.36
  4. Step 4: Simplify right side
    4,047.36x = 7,960,689.56
  5. Step 5: Solve for x
    x = 7,960,689.56/4,047.36
  6. Step 6: Final answer
    x = 1,966.88

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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.