Home / 7,342.90-11,014.35-2,148.10

Finding the Fourth Proportional to 7,342.90, 11,014.35 and 2,148.10

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Solution

The fourth proportional to 7,342.90, 11,014.35 and 2,148.10 is: 3,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.90 : 11,014.35 = 2,148.10 : x
  2. Step 2: Convert to fraction form
    7,342.90/11,014.35 = 2,148.10/x
  3. Step 3: Cross multiply
    7,342.90x = 11,014.35 × 2,148.10
  4. Step 4: Simplify right side
    7,342.90x = 23,659,925.24
  5. Step 5: Solve for x
    x = 23,659,925.24/7,342.90
  6. Step 6: Final answer
    x = 3,222.15

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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.