Home / 6,347.03-8,754.45-4,429.65

Finding the Fourth Proportional to 6,347.03, 8,754.45 and 4,429.65

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Solution

The fourth proportional to 6,347.03, 8,754.45 and 4,429.65 is: 6,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.03 : 8,754.45 = 4,429.65 : x
  2. Step 2: Convert to fraction form
    6,347.03/8,754.45 = 4,429.65/x
  3. Step 3: Cross multiply
    6,347.03x = 8,754.45 × 4,429.65
  4. Step 4: Simplify right side
    6,347.03x = 38,779,149.44
  5. Step 5: Solve for x
    x = 38,779,149.44/6,347.03
  6. Step 6: Final answer
    x = 6,109.81

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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.