Home / 8,930.60-12,326.52-5,396.24

Finding the Fourth Proportional to 8,930.60, 12,326.52 and 5,396.24

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Solution

The fourth proportional to 8,930.60, 12,326.52 and 5,396.24 is: 7,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.60 : 12,326.52 = 5,396.24 : x
  2. Step 2: Convert to fraction form
    8,930.60/12,326.52 = 5,396.24/x
  3. Step 3: Cross multiply
    8,930.60x = 12,326.52 × 5,396.24
  4. Step 4: Simplify right side
    8,930.60x = 66,516,860.28
  5. Step 5: Solve for x
    x = 66,516,860.28/8,930.60
  6. Step 6: Final answer
    x = 7,448.20

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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.