Home / 5,303.20-7,954.89-1,605.48

Finding the Fourth Proportional to 5,303.20, 7,954.89 and 1,605.48

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Solution

The fourth proportional to 5,303.20, 7,954.89 and 1,605.48 is: 2,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.20 : 7,954.89 = 1,605.48 : x
  2. Step 2: Convert to fraction form
    5,303.20/7,954.89 = 1,605.48/x
  3. Step 3: Cross multiply
    5,303.20x = 7,954.89 × 1,605.48
  4. Step 4: Simplify right side
    5,303.20x = 12,771,416.80
  5. Step 5: Solve for x
    x = 12,771,416.80/5,303.20
  6. Step 6: Final answer
    x = 2,408.25

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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.