Home / 9,317.40-12,857.52-5,337.60

Finding the Fourth Proportional to 9,317.40, 12,857.52 and 5,337.60

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Solution

The fourth proportional to 9,317.40, 12,857.52 and 5,337.60 is: 7,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.40 : 12,857.52 = 5,337.60 : x
  2. Step 2: Convert to fraction form
    9,317.40/12,857.52 = 5,337.60/x
  3. Step 3: Cross multiply
    9,317.40x = 12,857.52 × 5,337.60
  4. Step 4: Simplify right side
    9,317.40x = 68,628,298.75
  5. Step 5: Solve for x
    x = 68,628,298.75/9,317.40
  6. Step 6: Final answer
    x = 7,365.61

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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.