Home / 7,403.12-11,104.65-1,856.45

Finding the Fourth Proportional to 7,403.12, 11,104.65 and 1,856.45

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Solution

The fourth proportional to 7,403.12, 11,104.65 and 1,856.45 is: 2,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.12 : 11,104.65 = 1,856.45 : x
  2. Step 2: Convert to fraction form
    7,403.12/11,104.65 = 1,856.45/x
  3. Step 3: Cross multiply
    7,403.12x = 11,104.65 × 1,856.45
  4. Step 4: Simplify right side
    7,403.12x = 20,615,227.49
  5. Step 5: Solve for x
    x = 20,615,227.49/7,403.12
  6. Step 6: Final answer
    x = 2,784.67

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Similar ratio
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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.