Home / 9,558.28-13,189.08-5,309.02

Finding the Fourth Proportional to 9,558.28, 13,189.08 and 5,309.02

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Solution

The fourth proportional to 9,558.28, 13,189.08 and 5,309.02 is: 7,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.28 : 13,189.08 = 5,309.02 : x
  2. Step 2: Convert to fraction form
    9,558.28/13,189.08 = 5,309.02/x
  3. Step 3: Cross multiply
    9,558.28x = 13,189.08 × 5,309.02
  4. Step 4: Simplify right side
    9,558.28x = 70,021,089.50
  5. Step 5: Solve for x
    x = 70,021,089.50/9,558.28
  6. Step 6: Final answer
    x = 7,325.70

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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.