Home / 4,774.40-7,161.27-1,487.18

Finding the Fourth Proportional to 4,774.40, 7,161.27 and 1,487.18

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Solution

The fourth proportional to 4,774.40, 7,161.27 and 1,487.18 is: 2,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.40 : 7,161.27 = 1,487.18 : x
  2. Step 2: Convert to fraction form
    4,774.40/7,161.27 = 1,487.18/x
  3. Step 3: Cross multiply
    4,774.40x = 7,161.27 × 1,487.18
  4. Step 4: Simplify right side
    4,774.40x = 10,650,097.52
  5. Step 5: Solve for x
    x = 10,650,097.52/4,774.40
  6. Step 6: Final answer
    x = 2,230.67

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Double scale
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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.