Home / 8,588.63-11,847.95-5,355.80

Finding the Fourth Proportional to 8,588.63, 11,847.95 and 5,355.80

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Solution

The fourth proportional to 8,588.63, 11,847.95 and 5,355.80 is: 7,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.63 : 11,847.95 = 5,355.80 : x
  2. Step 2: Convert to fraction form
    8,588.63/11,847.95 = 5,355.80/x
  3. Step 3: Cross multiply
    8,588.63x = 11,847.95 × 5,355.80
  4. Step 4: Simplify right side
    8,588.63x = 63,455,164.59
  5. Step 5: Solve for x
    x = 63,455,164.59/8,588.63
  6. Step 6: Final answer
    x = 7,388.28

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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.