Home / 7,055.40-10,575.90-4,132.20

Finding the Fourth Proportional to 7,055.40, 10,575.90 and 4,132.20

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Solution

The fourth proportional to 7,055.40, 10,575.90 and 4,132.20 is: 6,194.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.40 : 10,575.90 = 4,132.20 : x
  2. Step 2: Convert to fraction form
    7,055.40/10,575.90 = 4,132.20/x
  3. Step 3: Cross multiply
    7,055.40x = 10,575.90 × 4,132.20
  4. Step 4: Simplify right side
    7,055.40x = 43,701,733.98
  5. Step 5: Solve for x
    x = 43,701,733.98/7,055.40
  6. Step 6: Final answer
    x = 6,194.08

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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.