Home / 7,406.30-11,117.55-4,117.70

Finding the Fourth Proportional to 7,406.30, 11,117.55 and 4,117.70

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Solution

The fourth proportional to 7,406.30, 11,117.55 and 4,117.70 is: 6,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.30 : 11,117.55 = 4,117.70 : x
  2. Step 2: Convert to fraction form
    7,406.30/11,117.55 = 4,117.70/x
  3. Step 3: Cross multiply
    7,406.30x = 11,117.55 × 4,117.70
  4. Step 4: Simplify right side
    7,406.30x = 45,778,735.64
  5. Step 5: Solve for x
    x = 45,778,735.64/7,406.30
  6. Step 6: Final answer
    x = 6,181.05

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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.