Home / 4,628.28-6,945.50-4,320.74

Finding the Fourth Proportional to 4,628.28, 6,945.50 and 4,320.74

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Solution

The fourth proportional to 4,628.28, 6,945.50 and 4,320.74 is: 6,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.28 : 6,945.50 = 4,320.74 : x
  2. Step 2: Convert to fraction form
    4,628.28/6,945.50 = 4,320.74/x
  3. Step 3: Cross multiply
    4,628.28x = 6,945.50 × 4,320.74
  4. Step 4: Simplify right side
    4,628.28x = 30,009,643.34
  5. Step 5: Solve for x
    x = 30,009,643.34/4,628.28
  6. Step 6: Final answer
    x = 6,483.97

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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.