Home / 5,290.18-7,283.84-4,491.86

Finding the Fourth Proportional to 5,290.18, 7,283.84 and 4,491.86

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Solution

The fourth proportional to 5,290.18, 7,283.84 and 4,491.86 is: 6,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.18 : 7,283.84 = 4,491.86 : x
  2. Step 2: Convert to fraction form
    5,290.18/7,283.84 = 4,491.86/x
  3. Step 3: Cross multiply
    5,290.18x = 7,283.84 × 4,491.86
  4. Step 4: Simplify right side
    5,290.18x = 32,717,989.54
  5. Step 5: Solve for x
    x = 32,717,989.54/5,290.18
  6. Step 6: Final answer
    x = 6,184.66

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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.