Home / 5,200.40-7,798.76-2,426.55

Finding the Fourth Proportional to 5,200.40, 7,798.76 and 2,426.55

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Solution

The fourth proportional to 5,200.40, 7,798.76 and 2,426.55 is: 3,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.40 : 7,798.76 = 2,426.55 : x
  2. Step 2: Convert to fraction form
    5,200.40/7,798.76 = 2,426.55/x
  3. Step 3: Cross multiply
    5,200.40x = 7,798.76 × 2,426.55
  4. Step 4: Simplify right side
    5,200.40x = 18,924,068.95
  5. Step 5: Solve for x
    x = 18,924,068.95/5,200.40
  6. Step 6: Final answer
    x = 3,638.97

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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.