Home / 5,282.64-7,290-2,925.12

Finding the Fourth Proportional to 5,282.64, 7,290 and 2,925.12

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Solution

The fourth proportional to 5,282.64, 7,290 and 2,925.12 is: 4,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.64 : 7,290 = 2,925.12 : x
  2. Step 2: Convert to fraction form
    5,282.64/7,290 = 2,925.12/x
  3. Step 3: Cross multiply
    5,282.64x = 7,290 × 2,925.12
  4. Step 4: Simplify right side
    5,282.64x = 21,324,124.80
  5. Step 5: Solve for x
    x = 21,324,124.80/5,282.64
  6. Step 6: Final answer
    x = 4,036.64

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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.