Home / 7,301.12-10,955.36-2,921.68

Finding the Fourth Proportional to 7,301.12, 10,955.36 and 2,921.68

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Solution

The fourth proportional to 7,301.12, 10,955.36 and 2,921.68 is: 4,383.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.12 : 10,955.36 = 2,921.68 : x
  2. Step 2: Convert to fraction form
    7,301.12/10,955.36 = 2,921.68/x
  3. Step 3: Cross multiply
    7,301.12x = 10,955.36 × 2,921.68
  4. Step 4: Simplify right side
    7,301.12x = 32,008,056.20
  5. Step 5: Solve for x
    x = 32,008,056.20/7,301.12
  6. Step 6: Final answer
    x = 4,383.99

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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.