Home / 7,103.74-10,655.61-2,485.66

Finding the Fourth Proportional to 7,103.74, 10,655.61 and 2,485.66

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Solution

The fourth proportional to 7,103.74, 10,655.61 and 2,485.66 is: 3,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.74 : 10,655.61 = 2,485.66 : x
  2. Step 2: Convert to fraction form
    7,103.74/10,655.61 = 2,485.66/x
  3. Step 3: Cross multiply
    7,103.74x = 10,655.61 × 2,485.66
  4. Step 4: Simplify right side
    7,103.74x = 26,486,223.55
  5. Step 5: Solve for x
    x = 26,486,223.55/7,103.74
  6. Step 6: Final answer
    x = 3,728.49

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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.