Home / 7,390.71-11,084.85-2,459.43

Finding the Fourth Proportional to 7,390.71, 11,084.85 and 2,459.43

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Solution

The fourth proportional to 7,390.71, 11,084.85 and 2,459.43 is: 3,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.71 : 11,084.85 = 2,459.43 : x
  2. Step 2: Convert to fraction form
    7,390.71/11,084.85 = 2,459.43/x
  3. Step 3: Cross multiply
    7,390.71x = 11,084.85 × 2,459.43
  4. Step 4: Simplify right side
    7,390.71x = 27,262,412.64
  5. Step 5: Solve for x
    x = 27,262,412.64/7,390.71
  6. Step 6: Final answer
    x = 3,688.74

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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.