Home / 7,452.55-11,178.84-3,070.06

Finding the Fourth Proportional to 7,452.55, 11,178.84 and 3,070.06

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Solution

The fourth proportional to 7,452.55, 11,178.84 and 3,070.06 is: 4,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.55 : 11,178.84 = 3,070.06 : x
  2. Step 2: Convert to fraction form
    7,452.55/11,178.84 = 3,070.06/x
  3. Step 3: Cross multiply
    7,452.55x = 11,178.84 × 3,070.06
  4. Step 4: Simplify right side
    7,452.55x = 34,319,709.53
  5. Step 5: Solve for x
    x = 34,319,709.53/7,452.55
  6. Step 6: Final answer
    x = 4,605.10

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Half scale
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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.