Home / 7,853.04-10,827.14-6,431.49

Finding the Fourth Proportional to 7,853.04, 10,827.14 and 6,431.49

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Solution

The fourth proportional to 7,853.04, 10,827.14 and 6,431.49 is: 8,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.04 : 10,827.14 = 6,431.49 : x
  2. Step 2: Convert to fraction form
    7,853.04/10,827.14 = 6,431.49/x
  3. Step 3: Cross multiply
    7,853.04x = 10,827.14 × 6,431.49
  4. Step 4: Simplify right side
    7,853.04x = 69,634,610.48
  5. Step 5: Solve for x
    x = 69,634,610.48/7,853.04
  6. Step 6: Final answer
    x = 8,867.22

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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.