Home / 8,175.40-11,281.98-4,988.02

Finding the Fourth Proportional to 8,175.40, 11,281.98 and 4,988.02

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Solution

The fourth proportional to 8,175.40, 11,281.98 and 4,988.02 is: 6,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.40 : 11,281.98 = 4,988.02 : x
  2. Step 2: Convert to fraction form
    8,175.40/11,281.98 = 4,988.02/x
  3. Step 3: Cross multiply
    8,175.40x = 11,281.98 × 4,988.02
  4. Step 4: Simplify right side
    8,175.40x = 56,274,741.88
  5. Step 5: Solve for x
    x = 56,274,741.88/8,175.40
  6. Step 6: Final answer
    x = 6,883.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.