Home / 4,611.20-6,917.70-1,837.40

Finding the Fourth Proportional to 4,611.20, 6,917.70 and 1,837.40

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Solution

The fourth proportional to 4,611.20, 6,917.70 and 1,837.40 is: 2,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.20 : 6,917.70 = 1,837.40 : x
  2. Step 2: Convert to fraction form
    4,611.20/6,917.70 = 1,837.40/x
  3. Step 3: Cross multiply
    4,611.20x = 6,917.70 × 1,837.40
  4. Step 4: Simplify right side
    4,611.20x = 12,710,581.98
  5. Step 5: Solve for x
    x = 12,710,581.98/4,611.20
  6. Step 6: Final answer
    x = 2,756.46

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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.