Home / 7,827.12-11,740.14-2,897.46

Finding the Fourth Proportional to 7,827.12, 11,740.14 and 2,897.46

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Solution

The fourth proportional to 7,827.12, 11,740.14 and 2,897.46 is: 4,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.12 : 11,740.14 = 2,897.46 : x
  2. Step 2: Convert to fraction form
    7,827.12/11,740.14 = 2,897.46/x
  3. Step 3: Cross multiply
    7,827.12x = 11,740.14 × 2,897.46
  4. Step 4: Simplify right side
    7,827.12x = 34,016,586.04
  5. Step 5: Solve for x
    x = 34,016,586.04/7,827.12
  6. Step 6: Final answer
    x = 4,345.99

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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.