Home / 4,843.80-7,248.90-2,897.40

Finding the Fourth Proportional to 4,843.80, 7,248.90 and 2,897.40

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Solution

The fourth proportional to 4,843.80, 7,248.90 and 2,897.40 is: 4,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.80 : 7,248.90 = 2,897.40 : x
  2. Step 2: Convert to fraction form
    4,843.80/7,248.90 = 2,897.40/x
  3. Step 3: Cross multiply
    4,843.80x = 7,248.90 × 2,897.40
  4. Step 4: Simplify right side
    4,843.80x = 21,002,962.86
  5. Step 5: Solve for x
    x = 21,002,962.86/4,843.80
  6. Step 6: Final answer
    x = 4,336.05

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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.