Home / 8,988.30-13,473.26-3,140.10

Finding the Fourth Proportional to 8,988.30, 13,473.26 and 3,140.10

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Solution

The fourth proportional to 8,988.30, 13,473.26 and 3,140.10 is: 4,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.30 : 13,473.26 = 3,140.10 : x
  2. Step 2: Convert to fraction form
    8,988.30/13,473.26 = 3,140.10/x
  3. Step 3: Cross multiply
    8,988.30x = 13,473.26 × 3,140.10
  4. Step 4: Simplify right side
    8,988.30x = 42,307,383.73
  5. Step 5: Solve for x
    x = 42,307,383.73/8,988.30
  6. Step 6: Final answer
    x = 4,706.94

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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.