Home / 9,671.05-13,345.14-5,479.30

Finding the Fourth Proportional to 9,671.05, 13,345.14 and 5,479.30

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Solution

The fourth proportional to 9,671.05, 13,345.14 and 5,479.30 is: 7,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.05 : 13,345.14 = 5,479.30 : x
  2. Step 2: Convert to fraction form
    9,671.05/13,345.14 = 5,479.30/x
  3. Step 3: Cross multiply
    9,671.05x = 13,345.14 × 5,479.30
  4. Step 4: Simplify right side
    9,671.05x = 73,122,025.60
  5. Step 5: Solve for x
    x = 73,122,025.60/9,671.05
  6. Step 6: Final answer
    x = 7,560.92

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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.