Home / 7,281.62-10,049.84-5,712.45

Finding the Fourth Proportional to 7,281.62, 10,049.84 and 5,712.45

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Solution

The fourth proportional to 7,281.62, 10,049.84 and 5,712.45 is: 7,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.62 : 10,049.84 = 5,712.45 : x
  2. Step 2: Convert to fraction form
    7,281.62/10,049.84 = 5,712.45/x
  3. Step 3: Cross multiply
    7,281.62x = 10,049.84 × 5,712.45
  4. Step 4: Simplify right side
    7,281.62x = 57,409,208.51
  5. Step 5: Solve for x
    x = 57,409,208.51/7,281.62
  6. Step 6: Final answer
    x = 7,884.13

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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.