Home / 9,780.08-13,496.46-5,303.94

Finding the Fourth Proportional to 9,780.08, 13,496.46 and 5,303.94

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Solution

The fourth proportional to 9,780.08, 13,496.46 and 5,303.94 is: 7,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.08 : 13,496.46 = 5,303.94 : x
  2. Step 2: Convert to fraction form
    9,780.08/13,496.46 = 5,303.94/x
  3. Step 3: Cross multiply
    9,780.08x = 13,496.46 × 5,303.94
  4. Step 4: Simplify right side
    9,780.08x = 71,584,414.05
  5. Step 5: Solve for x
    x = 71,584,414.05/9,780.08
  6. Step 6: Final answer
    x = 7,319.41

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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.