Home / 6,990.04-9,646.40-3,846.24

Finding the Fourth Proportional to 6,990.04, 9,646.40 and 3,846.24

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Solution

The fourth proportional to 6,990.04, 9,646.40 and 3,846.24 is: 5,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.04 : 9,646.40 = 3,846.24 : x
  2. Step 2: Convert to fraction form
    6,990.04/9,646.40 = 3,846.24/x
  3. Step 3: Cross multiply
    6,990.04x = 9,646.40 × 3,846.24
  4. Step 4: Simplify right side
    6,990.04x = 37,102,369.54
  5. Step 5: Solve for x
    x = 37,102,369.54/6,990.04
  6. Step 6: Final answer
    x = 5,307.89

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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.