Home / 5,291.63-7,890.86-4,922.27

Finding the Fourth Proportional to 5,291.63, 7,890.86 and 4,922.27

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Solution

The fourth proportional to 5,291.63, 7,890.86 and 4,922.27 is: 7,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.63 : 7,890.86 = 4,922.27 : x
  2. Step 2: Convert to fraction form
    5,291.63/7,890.86 = 4,922.27/x
  3. Step 3: Cross multiply
    5,291.63x = 7,890.86 × 4,922.27
  4. Step 4: Simplify right side
    5,291.63x = 38,840,943.45
  5. Step 5: Solve for x
    x = 38,840,943.45/5,291.63
  6. Step 6: Final answer
    x = 7,340.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.