Home / 8,346.24-12,512.88-3,417.12

Finding the Fourth Proportional to 8,346.24, 12,512.88 and 3,417.12

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Solution

The fourth proportional to 8,346.24, 12,512.88 and 3,417.12 is: 5,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.24 : 12,512.88 = 3,417.12 : x
  2. Step 2: Convert to fraction form
    8,346.24/12,512.88 = 3,417.12/x
  3. Step 3: Cross multiply
    8,346.24x = 12,512.88 × 3,417.12
  4. Step 4: Simplify right side
    8,346.24x = 42,758,012.51
  5. Step 5: Solve for x
    x = 42,758,012.51/8,346.24
  6. Step 6: Final answer
    x = 5,123.03

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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.