Home / 4,622.45-6,927.04-1,989.24

Finding the Fourth Proportional to 4,622.45, 6,927.04 and 1,989.24

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Solution

The fourth proportional to 4,622.45, 6,927.04 and 1,989.24 is: 2,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.45 : 6,927.04 = 1,989.24 : x
  2. Step 2: Convert to fraction form
    4,622.45/6,927.04 = 1,989.24/x
  3. Step 3: Cross multiply
    4,622.45x = 6,927.04 × 1,989.24
  4. Step 4: Simplify right side
    4,622.45x = 13,779,540.08
  5. Step 5: Solve for x
    x = 13,779,540.08/4,622.45
  6. Step 6: Final answer
    x = 2,981.00

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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.