Home / 4,989.32-7,483.98-2,215.34

Finding the Fourth Proportional to 4,989.32, 7,483.98 and 2,215.34

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Solution

The fourth proportional to 4,989.32, 7,483.98 and 2,215.34 is: 3,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.32 : 7,483.98 = 2,215.34 : x
  2. Step 2: Convert to fraction form
    4,989.32/7,483.98 = 2,215.34/x
  3. Step 3: Cross multiply
    4,989.32x = 7,483.98 × 2,215.34
  4. Step 4: Simplify right side
    4,989.32x = 16,579,560.25
  5. Step 5: Solve for x
    x = 16,579,560.25/4,989.32
  6. Step 6: Final answer
    x = 3,323.01

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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.