Home / 4,760.17-7,140.73-1,639.77

Finding the Fourth Proportional to 4,760.17, 7,140.73 and 1,639.77

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Solution

The fourth proportional to 4,760.17, 7,140.73 and 1,639.77 is: 2,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.17 : 7,140.73 = 1,639.77 : x
  2. Step 2: Convert to fraction form
    4,760.17/7,140.73 = 1,639.77/x
  3. Step 3: Cross multiply
    4,760.17x = 7,140.73 × 1,639.77
  4. Step 4: Simplify right side
    4,760.17x = 11,709,154.83
  5. Step 5: Solve for x
    x = 11,709,154.83/4,760.17
  6. Step 6: Final answer
    x = 2,459.82

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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.