Home / 4,722.40-6,509.34-3,209.52

Finding the Fourth Proportional to 4,722.40, 6,509.34 and 3,209.52

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Solution

The fourth proportional to 4,722.40, 6,509.34 and 3,209.52 is: 4,423.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.40 : 6,509.34 = 3,209.52 : x
  2. Step 2: Convert to fraction form
    4,722.40/6,509.34 = 3,209.52/x
  3. Step 3: Cross multiply
    4,722.40x = 6,509.34 × 3,209.52
  4. Step 4: Simplify right side
    4,722.40x = 20,891,856.92
  5. Step 5: Solve for x
    x = 20,891,856.92/4,722.40
  6. Step 6: Final answer
    x = 4,423.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.