Home / 7,288.20-10,910.70-6,510.60

Finding the Fourth Proportional to 7,288.20, 10,910.70 and 6,510.60

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Solution

The fourth proportional to 7,288.20, 10,910.70 and 6,510.60 is: 9,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.20 : 10,910.70 = 6,510.60 : x
  2. Step 2: Convert to fraction form
    7,288.20/10,910.70 = 6,510.60/x
  3. Step 3: Cross multiply
    7,288.20x = 10,910.70 × 6,510.60
  4. Step 4: Simplify right side
    7,288.20x = 71,035,203.42
  5. Step 5: Solve for x
    x = 71,035,203.42/7,288.20
  6. Step 6: Final answer
    x = 9,746.60

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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.