Home / 6,990.04-9,650.36-4,338.91

Finding the Fourth Proportional to 6,990.04, 9,650.36 and 4,338.91

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Solution

The fourth proportional to 6,990.04, 9,650.36 and 4,338.91 is: 5,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.04 : 9,650.36 = 4,338.91 : x
  2. Step 2: Convert to fraction form
    6,990.04/9,650.36 = 4,338.91/x
  3. Step 3: Cross multiply
    6,990.04x = 9,650.36 × 4,338.91
  4. Step 4: Simplify right side
    6,990.04x = 41,871,973.56
  5. Step 5: Solve for x
    x = 41,871,973.56/6,990.04
  6. Step 6: Final answer
    x = 5,990.24

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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.