Home / 4,000.78-5,521.06-2,323.16

Finding the Fourth Proportional to 4,000.78, 5,521.06 and 2,323.16

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Solution

The fourth proportional to 4,000.78, 5,521.06 and 2,323.16 is: 3,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.78 : 5,521.06 = 2,323.16 : x
  2. Step 2: Convert to fraction form
    4,000.78/5,521.06 = 2,323.16/x
  3. Step 3: Cross multiply
    4,000.78x = 5,521.06 × 2,323.16
  4. Step 4: Simplify right side
    4,000.78x = 12,826,332.81
  5. Step 5: Solve for x
    x = 12,826,332.81/4,000.78
  6. Step 6: Final answer
    x = 3,205.96

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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.