Home / 8,500.08-12,742.56-3,302.40

Finding the Fourth Proportional to 8,500.08, 12,742.56 and 3,302.40

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Solution

The fourth proportional to 8,500.08, 12,742.56 and 3,302.40 is: 4,950.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.08 : 12,742.56 = 3,302.40 : x
  2. Step 2: Convert to fraction form
    8,500.08/12,742.56 = 3,302.40/x
  3. Step 3: Cross multiply
    8,500.08x = 12,742.56 × 3,302.40
  4. Step 4: Simplify right side
    8,500.08x = 42,081,030.14
  5. Step 5: Solve for x
    x = 42,081,030.14/8,500.08
  6. Step 6: Final answer
    x = 4,950.66

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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.