Home / 5,153.51-7,730.04-2,520.23

Finding the Fourth Proportional to 5,153.51, 7,730.04 and 2,520.23

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Solution

The fourth proportional to 5,153.51, 7,730.04 and 2,520.23 is: 3,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.51 : 7,730.04 = 2,520.23 : x
  2. Step 2: Convert to fraction form
    5,153.51/7,730.04 = 2,520.23/x
  3. Step 3: Cross multiply
    5,153.51x = 7,730.04 × 2,520.23
  4. Step 4: Simplify right side
    5,153.51x = 19,481,478.71
  5. Step 5: Solve for x
    x = 19,481,478.71/5,153.51
  6. Step 6: Final answer
    x = 3,780.23

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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.