Home / 5,071.37-6,990.12-3,392.17

Finding the Fourth Proportional to 5,071.37, 6,990.12 and 3,392.17

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Solution

The fourth proportional to 5,071.37, 6,990.12 and 3,392.17 is: 4,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.37 : 6,990.12 = 3,392.17 : x
  2. Step 2: Convert to fraction form
    5,071.37/6,990.12 = 3,392.17/x
  3. Step 3: Cross multiply
    5,071.37x = 6,990.12 × 3,392.17
  4. Step 4: Simplify right side
    5,071.37x = 23,711,657.89
  5. Step 5: Solve for x
    x = 23,711,657.89/5,071.37
  6. Step 6: Final answer
    x = 4,675.60

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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.