Home / 6,298.80-9,445.68-1,914.72

Finding the Fourth Proportional to 6,298.80, 9,445.68 and 1,914.72

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Solution

The fourth proportional to 6,298.80, 9,445.68 and 1,914.72 is: 2,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,298.80 : 9,445.68 = 1,914.72 : x
  2. Step 2: Convert to fraction form
    6,298.80/9,445.68 = 1,914.72/x
  3. Step 3: Cross multiply
    6,298.80x = 9,445.68 × 1,914.72
  4. Step 4: Simplify right side
    6,298.80x = 18,085,832.41
  5. Step 5: Solve for x
    x = 18,085,832.41/6,298.80
  6. Step 6: Final answer
    x = 2,871.31

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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.