Home / 4,774.56-7,154.40-4,284.96

Finding the Fourth Proportional to 4,774.56, 7,154.40 and 4,284.96

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Solution

The fourth proportional to 4,774.56, 7,154.40 and 4,284.96 is: 6,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.56 : 7,154.40 = 4,284.96 : x
  2. Step 2: Convert to fraction form
    4,774.56/7,154.40 = 4,284.96/x
  3. Step 3: Cross multiply
    4,774.56x = 7,154.40 × 4,284.96
  4. Step 4: Simplify right side
    4,774.56x = 30,656,317.82
  5. Step 5: Solve for x
    x = 30,656,317.82/4,774.56
  6. Step 6: Final answer
    x = 6,420.76

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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.