Home / 8,458.02-12,705.26-5,173.07

Finding the Fourth Proportional to 8,458.02, 12,705.26 and 5,173.07

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Solution

The fourth proportional to 8,458.02, 12,705.26 and 5,173.07 is: 7,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.02 : 12,705.26 = 5,173.07 : x
  2. Step 2: Convert to fraction form
    8,458.02/12,705.26 = 5,173.07/x
  3. Step 3: Cross multiply
    8,458.02x = 12,705.26 × 5,173.07
  4. Step 4: Simplify right side
    8,458.02x = 65,725,109.96
  5. Step 5: Solve for x
    x = 65,725,109.96/8,458.02
  6. Step 6: Final answer
    x = 7,770.74

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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.