Home / 5,117.01-7,062.11-2,878.98

Finding the Fourth Proportional to 5,117.01, 7,062.11 and 2,878.98

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Solution

The fourth proportional to 5,117.01, 7,062.11 and 2,878.98 is: 3,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.01 : 7,062.11 = 2,878.98 : x
  2. Step 2: Convert to fraction form
    5,117.01/7,062.11 = 2,878.98/x
  3. Step 3: Cross multiply
    5,117.01x = 7,062.11 × 2,878.98
  4. Step 4: Simplify right side
    5,117.01x = 20,331,659.05
  5. Step 5: Solve for x
    x = 20,331,659.05/5,117.01
  6. Step 6: Final answer
    x = 3,973.35

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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.