Home / 4,660.69-6,990.98-1,887.34

Finding the Fourth Proportional to 4,660.69, 6,990.98 and 1,887.34

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Solution

The fourth proportional to 4,660.69, 6,990.98 and 1,887.34 is: 2,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.69 : 6,990.98 = 1,887.34 : x
  2. Step 2: Convert to fraction form
    4,660.69/6,990.98 = 1,887.34/x
  3. Step 3: Cross multiply
    4,660.69x = 6,990.98 × 1,887.34
  4. Step 4: Simplify right side
    4,660.69x = 13,194,346.76
  5. Step 5: Solve for x
    x = 13,194,346.76/4,660.69
  6. Step 6: Final answer
    x = 2,830.99

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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.