Home / 5,148.81-7,105.05-3,024.18

Finding the Fourth Proportional to 5,148.81, 7,105.05 and 3,024.18

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Solution

The fourth proportional to 5,148.81, 7,105.05 and 3,024.18 is: 4,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.81 : 7,105.05 = 3,024.18 : x
  2. Step 2: Convert to fraction form
    5,148.81/7,105.05 = 3,024.18/x
  3. Step 3: Cross multiply
    5,148.81x = 7,105.05 × 3,024.18
  4. Step 4: Simplify right side
    5,148.81x = 21,486,950.11
  5. Step 5: Solve for x
    x = 21,486,950.11/5,148.81
  6. Step 6: Final answer
    x = 4,173.19

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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.