Home / 9,865.70-14,799.56-3,290.12

Finding the Fourth Proportional to 9,865.70, 14,799.56 and 3,290.12

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Solution

The fourth proportional to 9,865.70, 14,799.56 and 3,290.12 is: 4,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.70 : 14,799.56 = 3,290.12 : x
  2. Step 2: Convert to fraction form
    9,865.70/14,799.56 = 3,290.12/x
  3. Step 3: Cross multiply
    9,865.70x = 14,799.56 × 3,290.12
  4. Step 4: Simplify right side
    9,865.70x = 48,692,328.35
  5. Step 5: Solve for x
    x = 48,692,328.35/9,865.70
  6. Step 6: Final answer
    x = 4,935.52

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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.