Home / 7,320.60-10,982.64-2,390.24

Finding the Fourth Proportional to 7,320.60, 10,982.64 and 2,390.24

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Solution

The fourth proportional to 7,320.60, 10,982.64 and 2,390.24 is: 3,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.60 : 10,982.64 = 2,390.24 : x
  2. Step 2: Convert to fraction form
    7,320.60/10,982.64 = 2,390.24/x
  3. Step 3: Cross multiply
    7,320.60x = 10,982.64 × 2,390.24
  4. Step 4: Simplify right side
    7,320.60x = 26,251,172.89
  5. Step 5: Solve for x
    x = 26,251,172.89/7,320.60
  6. Step 6: Final answer
    x = 3,585.93

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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.