Home / 4,888.80-7,332.24-2,220.72

Finding the Fourth Proportional to 4,888.80, 7,332.24 and 2,220.72

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Solution

The fourth proportional to 4,888.80, 7,332.24 and 2,220.72 is: 3,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.80 : 7,332.24 = 2,220.72 : x
  2. Step 2: Convert to fraction form
    4,888.80/7,332.24 = 2,220.72/x
  3. Step 3: Cross multiply
    4,888.80x = 7,332.24 × 2,220.72
  4. Step 4: Simplify right side
    4,888.80x = 16,282,852.01
  5. Step 5: Solve for x
    x = 16,282,852.01/4,888.80
  6. Step 6: Final answer
    x = 3,330.64

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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.