Home / 9,130.08-13,709.52-5,682.72

Finding the Fourth Proportional to 9,130.08, 13,709.52 and 5,682.72

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Solution

The fourth proportional to 9,130.08, 13,709.52 and 5,682.72 is: 8,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.08 : 13,709.52 = 5,682.72 : x
  2. Step 2: Convert to fraction form
    9,130.08/13,709.52 = 5,682.72/x
  3. Step 3: Cross multiply
    9,130.08x = 13,709.52 × 5,682.72
  4. Step 4: Simplify right side
    9,130.08x = 77,907,363.49
  5. Step 5: Solve for x
    x = 77,907,363.49/9,130.08
  6. Step 6: Final answer
    x = 8,533.04

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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.