Home / 8,386.12-12,582.96-3,459.16

Finding the Fourth Proportional to 8,386.12, 12,582.96 and 3,459.16

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Solution

The fourth proportional to 8,386.12, 12,582.96 and 3,459.16 is: 5,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.12 : 12,582.96 = 3,459.16 : x
  2. Step 2: Convert to fraction form
    8,386.12/12,582.96 = 3,459.16/x
  3. Step 3: Cross multiply
    8,386.12x = 12,582.96 × 3,459.16
  4. Step 4: Simplify right side
    8,386.12x = 43,526,471.91
  5. Step 5: Solve for x
    x = 43,526,471.91/8,386.12
  6. Step 6: Final answer
    x = 5,190.30

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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.