Home / 7,491.60-11,237.40-4,575.60

Finding the Fourth Proportional to 7,491.60, 11,237.40 and 4,575.60

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Solution

The fourth proportional to 7,491.60, 11,237.40 and 4,575.60 is: 6,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.60 : 11,237.40 = 4,575.60 : x
  2. Step 2: Convert to fraction form
    7,491.60/11,237.40 = 4,575.60/x
  3. Step 3: Cross multiply
    7,491.60x = 11,237.40 × 4,575.60
  4. Step 4: Simplify right side
    7,491.60x = 51,417,847.44
  5. Step 5: Solve for x
    x = 51,417,847.44/7,491.60
  6. Step 6: Final answer
    x = 6,863.40

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Half 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.