Home / 6,423.75-9,639.69-2,528.07

Finding the Fourth Proportional to 6,423.75, 9,639.69 and 2,528.07

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Solution

The fourth proportional to 6,423.75, 9,639.69 and 2,528.07 is: 3,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.75 : 9,639.69 = 2,528.07 : x
  2. Step 2: Convert to fraction form
    6,423.75/9,639.69 = 2,528.07/x
  3. Step 3: Cross multiply
    6,423.75x = 9,639.69 × 2,528.07
  4. Step 4: Simplify right side
    6,423.75x = 24,369,811.10
  5. Step 5: Solve for x
    x = 24,369,811.10/6,423.75
  6. Step 6: Final answer
    x = 3,793.70

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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.