Home / 9,759.90-14,629.35-4,215.86

Finding the Fourth Proportional to 9,759.90, 14,629.35 and 4,215.86

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Solution

The fourth proportional to 9,759.90, 14,629.35 and 4,215.86 is: 6,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759.90 : 14,629.35 = 4,215.86 : x
  2. Step 2: Convert to fraction form
    9,759.90/14,629.35 = 4,215.86/x
  3. Step 3: Cross multiply
    9,759.90x = 14,629.35 × 4,215.86
  4. Step 4: Simplify right side
    9,759.90x = 61,675,291.49
  5. Step 5: Solve for x
    x = 61,675,291.49/9,759.90
  6. Step 6: Final answer
    x = 6,319.25

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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.