Home / 7,641.95-11,460.55-3,690.75

Finding the Fourth Proportional to 7,641.95, 11,460.55 and 3,690.75

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Solution

The fourth proportional to 7,641.95, 11,460.55 and 3,690.75 is: 5,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.95 : 11,460.55 = 3,690.75 : x
  2. Step 2: Convert to fraction form
    7,641.95/11,460.55 = 3,690.75/x
  3. Step 3: Cross multiply
    7,641.95x = 11,460.55 × 3,690.75
  4. Step 4: Simplify right side
    7,641.95x = 42,297,972.71
  5. Step 5: Solve for x
    x = 42,297,972.71/7,641.95
  6. Step 6: Final answer
    x = 5,534.97

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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.