Home / 5,287.52-7,920.96-2,510.24

Finding the Fourth Proportional to 5,287.52, 7,920.96 and 2,510.24

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Solution

The fourth proportional to 5,287.52, 7,920.96 and 2,510.24 is: 3,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.52 : 7,920.96 = 2,510.24 : x
  2. Step 2: Convert to fraction form
    5,287.52/7,920.96 = 2,510.24/x
  3. Step 3: Cross multiply
    5,287.52x = 7,920.96 × 2,510.24
  4. Step 4: Simplify right side
    5,287.52x = 19,883,510.63
  5. Step 5: Solve for x
    x = 19,883,510.63/5,287.52
  6. Step 6: Final answer
    x = 3,760.46

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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.