Home / 8,459.29-12,686.88-3,528.97

Finding the Fourth Proportional to 8,459.29, 12,686.88 and 3,528.97

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Solution

The fourth proportional to 8,459.29, 12,686.88 and 3,528.97 is: 5,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.29 : 12,686.88 = 3,528.97 : x
  2. Step 2: Convert to fraction form
    8,459.29/12,686.88 = 3,528.97/x
  3. Step 3: Cross multiply
    8,459.29x = 12,686.88 × 3,528.97
  4. Step 4: Simplify right side
    8,459.29x = 44,771,580.58
  5. Step 5: Solve for x
    x = 44,771,580.58/8,459.29
  6. Step 6: Final answer
    x = 5,292.60

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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.