Home / 6,989.49-9,644.40-4,004.91

Finding the Fourth Proportional to 6,989.49, 9,644.40 and 4,004.91

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Solution

The fourth proportional to 6,989.49, 9,644.40 and 4,004.91 is: 5,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.49 : 9,644.40 = 4,004.91 : x
  2. Step 2: Convert to fraction form
    6,989.49/9,644.40 = 4,004.91/x
  3. Step 3: Cross multiply
    6,989.49x = 9,644.40 × 4,004.91
  4. Step 4: Simplify right side
    6,989.49x = 38,624,954.00
  5. Step 5: Solve for x
    x = 38,624,954.00/6,989.49
  6. Step 6: Final answer
    x = 5,526.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.