Home / 5,135.40-7,084.34-3,246.08

Finding the Fourth Proportional to 5,135.40, 7,084.34 and 3,246.08

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Solution

The fourth proportional to 5,135.40, 7,084.34 and 3,246.08 is: 4,477.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.40 : 7,084.34 = 3,246.08 : x
  2. Step 2: Convert to fraction form
    5,135.40/7,084.34 = 3,246.08/x
  3. Step 3: Cross multiply
    5,135.40x = 7,084.34 × 3,246.08
  4. Step 4: Simplify right side
    5,135.40x = 22,996,282.74
  5. Step 5: Solve for x
    x = 22,996,282.74/5,135.40
  6. Step 6: Final answer
    x = 4,477.99

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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.