Home / 8,460.10-12,679.35-6,502.60

Finding the Fourth Proportional to 8,460.10, 12,679.35 and 6,502.60

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Solution

The fourth proportional to 8,460.10, 12,679.35 and 6,502.60 is: 9,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.10 : 12,679.35 = 6,502.60 : x
  2. Step 2: Convert to fraction form
    8,460.10/12,679.35 = 6,502.60/x
  3. Step 3: Cross multiply
    8,460.10x = 12,679.35 × 6,502.60
  4. Step 4: Simplify right side
    8,460.10x = 82,448,741.31
  5. Step 5: Solve for x
    x = 82,448,741.31/8,460.10
  6. Step 6: Final answer
    x = 9,745.60

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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.