Home / 9,829.28-13,562.88-5,580.64

Finding the Fourth Proportional to 9,829.28, 13,562.88 and 5,580.64

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Solution

The fourth proportional to 9,829.28, 13,562.88 and 5,580.64 is: 7,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.28 : 13,562.88 = 5,580.64 : x
  2. Step 2: Convert to fraction form
    9,829.28/13,562.88 = 5,580.64/x
  3. Step 3: Cross multiply
    9,829.28x = 13,562.88 × 5,580.64
  4. Step 4: Simplify right side
    9,829.28x = 75,689,550.64
  5. Step 5: Solve for x
    x = 75,689,550.64/9,829.28
  6. Step 6: Final answer
    x = 7,700.42

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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.