Home / 5,287.95-7,282.61-5,173.13

Finding the Fourth Proportional to 5,287.95, 7,282.61 and 5,173.13

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Solution

The fourth proportional to 5,287.95, 7,282.61 and 5,173.13 is: 7,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.95 : 7,282.61 = 5,173.13 : x
  2. Step 2: Convert to fraction form
    5,287.95/7,282.61 = 5,173.13/x
  3. Step 3: Cross multiply
    5,287.95x = 7,282.61 × 5,173.13
  4. Step 4: Simplify right side
    5,287.95x = 37,673,900.01
  5. Step 5: Solve for x
    x = 37,673,900.01/5,287.95
  6. Step 6: Final answer
    x = 7,124.48

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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.