Home / 9,758.40-14,645.82-4,215.95

Finding the Fourth Proportional to 9,758.40, 14,645.82 and 4,215.95

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Solution

The fourth proportional to 9,758.40, 14,645.82 and 4,215.95 is: 6,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,758.40 : 14,645.82 = 4,215.95 : x
  2. Step 2: Convert to fraction form
    9,758.40/14,645.82 = 4,215.95/x
  3. Step 3: Cross multiply
    9,758.40x = 14,645.82 × 4,215.95
  4. Step 4: Simplify right side
    9,758.40x = 61,745,971.60
  5. Step 5: Solve for x
    x = 61,745,971.60/9,758.40
  6. Step 6: Final answer
    x = 6,327.47

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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.