Home / 4,127.40-6,191.70-1,353.60

Finding the Fourth Proportional to 4,127.40, 6,191.70 and 1,353.60

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Solution

The fourth proportional to 4,127.40, 6,191.70 and 1,353.60 is: 2,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.40 : 6,191.70 = 1,353.60 : x
  2. Step 2: Convert to fraction form
    4,127.40/6,191.70 = 1,353.60/x
  3. Step 3: Cross multiply
    4,127.40x = 6,191.70 × 1,353.60
  4. Step 4: Simplify right side
    4,127.40x = 8,381,085.12
  5. Step 5: Solve for x
    x = 8,381,085.12/4,127.40
  6. Step 6: Final answer
    x = 2,030.60

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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.