Home / 8,511.19-11,743.70-4,973.72

Finding the Fourth Proportional to 8,511.19, 11,743.70 and 4,973.72

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Solution

The fourth proportional to 8,511.19, 11,743.70 and 4,973.72 is: 6,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.19 : 11,743.70 = 4,973.72 : x
  2. Step 2: Convert to fraction form
    8,511.19/11,743.70 = 4,973.72/x
  3. Step 3: Cross multiply
    8,511.19x = 11,743.70 × 4,973.72
  4. Step 4: Simplify right side
    8,511.19x = 58,409,875.56
  5. Step 5: Solve for x
    x = 58,409,875.56/8,511.19
  6. Step 6: Final answer
    x = 6,862.72

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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.