Home / 7,565.60-11,348.40-4,285.10

Finding the Fourth Proportional to 7,565.60, 11,348.40 and 4,285.10

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Solution

The fourth proportional to 7,565.60, 11,348.40 and 4,285.10 is: 6,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.60 : 11,348.40 = 4,285.10 : x
  2. Step 2: Convert to fraction form
    7,565.60/11,348.40 = 4,285.10/x
  3. Step 3: Cross multiply
    7,565.60x = 11,348.40 × 4,285.10
  4. Step 4: Simplify right side
    7,565.60x = 48,629,028.84
  5. Step 5: Solve for x
    x = 48,629,028.84/7,565.60
  6. Step 6: Final answer
    x = 6,427.65

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Double scale
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Similar ratio
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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.