Home / 7,873.20-11,807.28-2,607.24

Finding the Fourth Proportional to 7,873.20, 11,807.28 and 2,607.24

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Solution

The fourth proportional to 7,873.20, 11,807.28 and 2,607.24 is: 3,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.20 : 11,807.28 = 2,607.24 : x
  2. Step 2: Convert to fraction form
    7,873.20/11,807.28 = 2,607.24/x
  3. Step 3: Cross multiply
    7,873.20x = 11,807.28 × 2,607.24
  4. Step 4: Simplify right side
    7,873.20x = 30,784,412.71
  5. Step 5: Solve for x
    x = 30,784,412.71/7,873.20
  6. Step 6: Final answer
    x = 3,910.03

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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.