Home / 7,407.64-11,111.48-2,213.40

Finding the Fourth Proportional to 7,407.64, 11,111.48 and 2,213.40

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Solution

The fourth proportional to 7,407.64, 11,111.48 and 2,213.40 is: 3,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.64 : 11,111.48 = 2,213.40 : x
  2. Step 2: Convert to fraction form
    7,407.64/11,111.48 = 2,213.40/x
  3. Step 3: Cross multiply
    7,407.64x = 11,111.48 × 2,213.40
  4. Step 4: Simplify right side
    7,407.64x = 24,594,149.83
  5. Step 5: Solve for x
    x = 24,594,149.83/7,407.64
  6. Step 6: Final answer
    x = 3,320.11

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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.