Home / 7,827.99-11,740.77-2,280.18

Finding the Fourth Proportional to 7,827.99, 11,740.77 and 2,280.18

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Solution

The fourth proportional to 7,827.99, 11,740.77 and 2,280.18 is: 3,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.99 : 11,740.77 = 2,280.18 : x
  2. Step 2: Convert to fraction form
    7,827.99/11,740.77 = 2,280.18/x
  3. Step 3: Cross multiply
    7,827.99x = 11,740.77 × 2,280.18
  4. Step 4: Simplify right side
    7,827.99x = 26,771,068.94
  5. Step 5: Solve for x
    x = 26,771,068.94/7,827.99
  6. Step 6: Final answer
    x = 3,419.92

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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.