Home / 4,289.20-6,433.48-1,477.76

Finding the Fourth Proportional to 4,289.20, 6,433.48 and 1,477.76

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Solution

The fourth proportional to 4,289.20, 6,433.48 and 1,477.76 is: 2,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.20 : 6,433.48 = 1,477.76 : x
  2. Step 2: Convert to fraction form
    4,289.20/6,433.48 = 1,477.76/x
  3. Step 3: Cross multiply
    4,289.20x = 6,433.48 × 1,477.76
  4. Step 4: Simplify right side
    4,289.20x = 9,507,139.40
  5. Step 5: Solve for x
    x = 9,507,139.40/4,289.20
  6. Step 6: Final answer
    x = 2,216.53

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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.