Home / 4,853.40-7,265.70-2,909.40

Finding the Fourth Proportional to 4,853.40, 7,265.70 and 2,909.40

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Solution

The fourth proportional to 4,853.40, 7,265.70 and 2,909.40 is: 4,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.40 : 7,265.70 = 2,909.40 : x
  2. Step 2: Convert to fraction form
    4,853.40/7,265.70 = 2,909.40/x
  3. Step 3: Cross multiply
    4,853.40x = 7,265.70 × 2,909.40
  4. Step 4: Simplify right side
    4,853.40x = 21,138,827.58
  5. Step 5: Solve for x
    x = 21,138,827.58/4,853.40
  6. Step 6: Final answer
    x = 4,355.47

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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.