Home / 7,028.64-9,701.40-4,044.80

Finding the Fourth Proportional to 7,028.64, 9,701.40 and 4,044.80

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Solution

The fourth proportional to 7,028.64, 9,701.40 and 4,044.80 is: 5,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.64 : 9,701.40 = 4,044.80 : x
  2. Step 2: Convert to fraction form
    7,028.64/9,701.40 = 4,044.80/x
  3. Step 3: Cross multiply
    7,028.64x = 9,701.40 × 4,044.80
  4. Step 4: Simplify right side
    7,028.64x = 39,240,222.72
  5. Step 5: Solve for x
    x = 39,240,222.72/7,028.64
  6. Step 6: Final answer
    x = 5,582.90

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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.