Home / 8,740.29-12,066.17-6,822.00

Finding the Fourth Proportional to 8,740.29, 12,066.17 and 6,822.00

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Solution

The fourth proportional to 8,740.29, 12,066.17 and 6,822.00 is: 9,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.29 : 12,066.17 = 6,822.00 : x
  2. Step 2: Convert to fraction form
    8,740.29/12,066.17 = 6,822.00/x
  3. Step 3: Cross multiply
    8,740.29x = 12,066.17 × 6,822.00
  4. Step 4: Simplify right side
    8,740.29x = 82,315,408.45
  5. Step 5: Solve for x
    x = 82,315,408.45/8,740.29
  6. Step 6: Final answer
    x = 9,417.92

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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.