Home / 9,218.60-13,832.40-4,285.70

Finding the Fourth Proportional to 9,218.60, 13,832.40 and 4,285.70

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Solution

The fourth proportional to 9,218.60, 13,832.40 and 4,285.70 is: 6,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.60 : 13,832.40 = 4,285.70 : x
  2. Step 2: Convert to fraction form
    9,218.60/13,832.40 = 4,285.70/x
  3. Step 3: Cross multiply
    9,218.60x = 13,832.40 × 4,285.70
  4. Step 4: Simplify right side
    9,218.60x = 59,281,516.68
  5. Step 5: Solve for x
    x = 59,281,516.68/9,218.60
  6. Step 6: Final answer
    x = 6,430.64

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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.