Home / 7,036.80-10,555.20-4,451.20

Finding the Fourth Proportional to 7,036.80, 10,555.20 and 4,451.20

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Solution

The fourth proportional to 7,036.80, 10,555.20 and 4,451.20 is: 6,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036.80 : 10,555.20 = 4,451.20 : x
  2. Step 2: Convert to fraction form
    7,036.80/10,555.20 = 4,451.20/x
  3. Step 3: Cross multiply
    7,036.80x = 10,555.20 × 4,451.20
  4. Step 4: Simplify right side
    7,036.80x = 46,983,306.24
  5. Step 5: Solve for x
    x = 46,983,306.24/7,036.80
  6. Step 6: Final answer
    x = 6,676.80

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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.