Home / 7,330.10-10,991.10-3,169.40

Finding the Fourth Proportional to 7,330.10, 10,991.10 and 3,169.40

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Solution

The fourth proportional to 7,330.10, 10,991.10 and 3,169.40 is: 4,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.10 : 10,991.10 = 3,169.40 : x
  2. Step 2: Convert to fraction form
    7,330.10/10,991.10 = 3,169.40/x
  3. Step 3: Cross multiply
    7,330.10x = 10,991.10 × 3,169.40
  4. Step 4: Simplify right side
    7,330.10x = 34,835,192.34
  5. Step 5: Solve for x
    x = 34,835,192.34/7,330.10
  6. Step 6: Final answer
    x = 4,752.35

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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.