Home / 6,503.20-9,756.41-1,886.20

Finding the Fourth Proportional to 6,503.20, 9,756.41 and 1,886.20

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Solution

The fourth proportional to 6,503.20, 9,756.41 and 1,886.20 is: 2,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.20 : 9,756.41 = 1,886.20 : x
  2. Step 2: Convert to fraction form
    6,503.20/9,756.41 = 1,886.20/x
  3. Step 3: Cross multiply
    6,503.20x = 9,756.41 × 1,886.20
  4. Step 4: Simplify right side
    6,503.20x = 18,402,540.54
  5. Step 5: Solve for x
    x = 18,402,540.54/6,503.20
  6. Step 6: Final answer
    x = 2,829.77

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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.