Home / 5,347.79-8,006.05-3,119.81

Finding the Fourth Proportional to 5,347.79, 8,006.05 and 3,119.81

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Solution

The fourth proportional to 5,347.79, 8,006.05 and 3,119.81 is: 4,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.79 : 8,006.05 = 3,119.81 : x
  2. Step 2: Convert to fraction form
    5,347.79/8,006.05 = 3,119.81/x
  3. Step 3: Cross multiply
    5,347.79x = 8,006.05 × 3,119.81
  4. Step 4: Simplify right side
    5,347.79x = 24,977,339.25
  5. Step 5: Solve for x
    x = 24,977,339.25/5,347.79
  6. Step 6: Final answer
    x = 4,670.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.