Home / 4,000.64-5,521.56-2,509.80

Finding the Fourth Proportional to 4,000.64, 5,521.56 and 2,509.80

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Solution

The fourth proportional to 4,000.64, 5,521.56 and 2,509.80 is: 3,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.64 : 5,521.56 = 2,509.80 : x
  2. Step 2: Convert to fraction form
    4,000.64/5,521.56 = 2,509.80/x
  3. Step 3: Cross multiply
    4,000.64x = 5,521.56 × 2,509.80
  4. Step 4: Simplify right side
    4,000.64x = 13,858,011.29
  5. Step 5: Solve for x
    x = 13,858,011.29/4,000.64
  6. Step 6: Final answer
    x = 3,463.95

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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.