Home / 8,637.31-12,953.22-3,705.63

Finding the Fourth Proportional to 8,637.31, 12,953.22 and 3,705.63

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Solution

The fourth proportional to 8,637.31, 12,953.22 and 3,705.63 is: 5,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.31 : 12,953.22 = 3,705.63 : x
  2. Step 2: Convert to fraction form
    8,637.31/12,953.22 = 3,705.63/x
  3. Step 3: Cross multiply
    8,637.31x = 12,953.22 × 3,705.63
  4. Step 4: Simplify right side
    8,637.31x = 47,999,840.63
  5. Step 5: Solve for x
    x = 47,999,840.63/8,637.31
  6. Step 6: Final answer
    x = 5,557.27

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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.