Home / 4,785.42-6,604.47-2,689.50

Finding the Fourth Proportional to 4,785.42, 6,604.47 and 2,689.50

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Solution

The fourth proportional to 4,785.42, 6,604.47 and 2,689.50 is: 3,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.42 : 6,604.47 = 2,689.50 : x
  2. Step 2: Convert to fraction form
    4,785.42/6,604.47 = 2,689.50/x
  3. Step 3: Cross multiply
    4,785.42x = 6,604.47 × 2,689.50
  4. Step 4: Simplify right side
    4,785.42x = 17,762,722.07
  5. Step 5: Solve for x
    x = 17,762,722.07/4,785.42
  6. Step 6: Final answer
    x = 3,711.84

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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.