Home / 5,282.96-7,290.60-2,925.20

Finding the Fourth Proportional to 5,282.96, 7,290.60 and 2,925.20

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Solution

The fourth proportional to 5,282.96, 7,290.60 and 2,925.20 is: 4,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.96 : 7,290.60 = 2,925.20 : x
  2. Step 2: Convert to fraction form
    5,282.96/7,290.60 = 2,925.20/x
  3. Step 3: Cross multiply
    5,282.96x = 7,290.60 × 2,925.20
  4. Step 4: Simplify right side
    5,282.96x = 21,326,463.12
  5. Step 5: Solve for x
    x = 21,326,463.12/5,282.96
  6. Step 6: Final answer
    x = 4,036.84

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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.