Home / 5,014.77-6,920.54-2,890.13

Finding the Fourth Proportional to 5,014.77, 6,920.54 and 2,890.13

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Solution

The fourth proportional to 5,014.77, 6,920.54 and 2,890.13 is: 3,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.77 : 6,920.54 = 2,890.13 : x
  2. Step 2: Convert to fraction form
    5,014.77/6,920.54 = 2,890.13/x
  3. Step 3: Cross multiply
    5,014.77x = 6,920.54 × 2,890.13
  4. Step 4: Simplify right side
    5,014.77x = 20,001,211.22
  5. Step 5: Solve for x
    x = 20,001,211.22/5,014.77
  6. Step 6: Final answer
    x = 3,988.46

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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.