Home / 9,447.52-13,035.16-6,464.28

Finding the Fourth Proportional to 9,447.52, 13,035.16 and 6,464.28

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Solution

The fourth proportional to 9,447.52, 13,035.16 and 6,464.28 is: 8,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.52 : 13,035.16 = 6,464.28 : x
  2. Step 2: Convert to fraction form
    9,447.52/13,035.16 = 6,464.28/x
  3. Step 3: Cross multiply
    9,447.52x = 13,035.16 × 6,464.28
  4. Step 4: Simplify right side
    9,447.52x = 84,262,924.08
  5. Step 5: Solve for x
    x = 84,262,924.08/9,447.52
  6. Step 6: Final answer
    x = 8,919.05

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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.