Home / 8,675.59-13,005.40-3,127.57

Finding the Fourth Proportional to 8,675.59, 13,005.40 and 3,127.57

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Solution

The fourth proportional to 8,675.59, 13,005.40 and 3,127.57 is: 4,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.59 : 13,005.40 = 3,127.57 : x
  2. Step 2: Convert to fraction form
    8,675.59/13,005.40 = 3,127.57/x
  3. Step 3: Cross multiply
    8,675.59x = 13,005.40 × 3,127.57
  4. Step 4: Simplify right side
    8,675.59x = 40,675,283.24
  5. Step 5: Solve for x
    x = 40,675,283.24/8,675.59
  6. Step 6: Final answer
    x = 4,688.48

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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.