Home / 9,292.80-12,816.87-6,460.11

Finding the Fourth Proportional to 9,292.80, 12,816.87 and 6,460.11

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Solution

The fourth proportional to 9,292.80, 12,816.87 and 6,460.11 is: 8,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.80 : 12,816.87 = 6,460.11 : x
  2. Step 2: Convert to fraction form
    9,292.80/12,816.87 = 6,460.11/x
  3. Step 3: Cross multiply
    9,292.80x = 12,816.87 × 6,460.11
  4. Step 4: Simplify right side
    9,292.80x = 82,798,390.06
  5. Step 5: Solve for x
    x = 82,798,390.06/9,292.80
  6. Step 6: Final answer
    x = 8,909.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.