Home / 5,113.53-7,055.73-3,124.62

Finding the Fourth Proportional to 5,113.53, 7,055.73 and 3,124.62

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Solution

The fourth proportional to 5,113.53, 7,055.73 and 3,124.62 is: 4,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.53 : 7,055.73 = 3,124.62 : x
  2. Step 2: Convert to fraction form
    5,113.53/7,055.73 = 3,124.62/x
  3. Step 3: Cross multiply
    5,113.53x = 7,055.73 × 3,124.62
  4. Step 4: Simplify right side
    5,113.53x = 22,046,475.07
  5. Step 5: Solve for x
    x = 22,046,475.07/5,113.53
  6. Step 6: Final answer
    x = 4,311.40

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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.