Home / 5,188.32-7,159.59-2,950.74

Finding the Fourth Proportional to 5,188.32, 7,159.59 and 2,950.74

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Solution

The fourth proportional to 5,188.32, 7,159.59 and 2,950.74 is: 4,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.32 : 7,159.59 = 2,950.74 : x
  2. Step 2: Convert to fraction form
    5,188.32/7,159.59 = 2,950.74/x
  3. Step 3: Cross multiply
    5,188.32x = 7,159.59 × 2,950.74
  4. Step 4: Simplify right side
    5,188.32x = 21,126,088.60
  5. Step 5: Solve for x
    x = 21,126,088.60/5,188.32
  6. Step 6: Final answer
    x = 4,071.86

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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.