Home / 4,378.52-6,568.26-1,605.45

Finding the Fourth Proportional to 4,378.52, 6,568.26 and 1,605.45

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Solution

The fourth proportional to 4,378.52, 6,568.26 and 1,605.45 is: 2,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.52 : 6,568.26 = 1,605.45 : x
  2. Step 2: Convert to fraction form
    4,378.52/6,568.26 = 1,605.45/x
  3. Step 3: Cross multiply
    4,378.52x = 6,568.26 × 1,605.45
  4. Step 4: Simplify right side
    4,378.52x = 10,545,031.63
  5. Step 5: Solve for x
    x = 10,545,031.63/4,378.52
  6. Step 6: Final answer
    x = 2,408.35

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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.