Home / 5,014.39-6,920.37-2,890.00

Finding the Fourth Proportional to 5,014.39, 6,920.37 and 2,890.00

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Solution

The fourth proportional to 5,014.39, 6,920.37 and 2,890.00 is: 3,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.39 : 6,920.37 = 2,890.00 : x
  2. Step 2: Convert to fraction form
    5,014.39/6,920.37 = 2,890.00/x
  3. Step 3: Cross multiply
    5,014.39x = 6,920.37 × 2,890.00
  4. Step 4: Simplify right side
    5,014.39x = 19,999,827.47
  5. Step 5: Solve for x
    x = 19,999,827.47/5,014.39
  6. Step 6: Final answer
    x = 3,988.49

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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.