Home / 4,930.59-7,395.95-1,643.70

Finding the Fourth Proportional to 4,930.59, 7,395.95 and 1,643.70

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Solution

The fourth proportional to 4,930.59, 7,395.95 and 1,643.70 is: 2,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.59 : 7,395.95 = 1,643.70 : x
  2. Step 2: Convert to fraction form
    4,930.59/7,395.95 = 1,643.70/x
  3. Step 3: Cross multiply
    4,930.59x = 7,395.95 × 1,643.70
  4. Step 4: Simplify right side
    4,930.59x = 12,156,723.02
  5. Step 5: Solve for x
    x = 12,156,723.02/4,930.59
  6. Step 6: Final answer
    x = 2,465.57

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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.