Home / 8,637.20-12,953.37-2,395.70

Finding the Fourth Proportional to 8,637.20, 12,953.37 and 2,395.70

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Solution

The fourth proportional to 8,637.20, 12,953.37 and 2,395.70 is: 3,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.20 : 12,953.37 = 2,395.70 : x
  2. Step 2: Convert to fraction form
    8,637.20/12,953.37 = 2,395.70/x
  3. Step 3: Cross multiply
    8,637.20x = 12,953.37 × 2,395.70
  4. Step 4: Simplify right side
    8,637.20x = 31,032,388.51
  5. Step 5: Solve for x
    x = 31,032,388.51/8,637.20
  6. Step 6: Final answer
    x = 3,592.88

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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.