Home / 7,827.08-10,801.34-4,242.14

Finding the Fourth Proportional to 7,827.08, 10,801.34 and 4,242.14

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Solution

The fourth proportional to 7,827.08, 10,801.34 and 4,242.14 is: 5,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.08 : 10,801.34 = 4,242.14 : x
  2. Step 2: Convert to fraction form
    7,827.08/10,801.34 = 4,242.14/x
  3. Step 3: Cross multiply
    7,827.08x = 10,801.34 × 4,242.14
  4. Step 4: Simplify right side
    7,827.08x = 45,820,777.66
  5. Step 5: Solve for x
    x = 45,820,777.66/7,827.08
  6. Step 6: Final answer
    x = 5,854.14

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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.