Home / 4,437.18-6,657.35-1,971.78

Finding the Fourth Proportional to 4,437.18, 6,657.35 and 1,971.78

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Solution

The fourth proportional to 4,437.18, 6,657.35 and 1,971.78 is: 2,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.18 : 6,657.35 = 1,971.78 : x
  2. Step 2: Convert to fraction form
    4,437.18/6,657.35 = 1,971.78/x
  3. Step 3: Cross multiply
    4,437.18x = 6,657.35 × 1,971.78
  4. Step 4: Simplify right side
    4,437.18x = 13,126,819.72
  5. Step 5: Solve for x
    x = 13,126,819.72/4,437.18
  6. Step 6: Final answer
    x = 2,958.37

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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.