Home / 4,688.20-7,029.86-2,345.68

Finding the Fourth Proportional to 4,688.20, 7,029.86 and 2,345.68

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Solution

The fourth proportional to 4,688.20, 7,029.86 and 2,345.68 is: 3,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.20 : 7,029.86 = 2,345.68 : x
  2. Step 2: Convert to fraction form
    4,688.20/7,029.86 = 2,345.68/x
  3. Step 3: Cross multiply
    4,688.20x = 7,029.86 × 2,345.68
  4. Step 4: Simplify right side
    4,688.20x = 16,489,802.00
  5. Step 5: Solve for x
    x = 16,489,802.00/4,688.20
  6. Step 6: Final answer
    x = 3,517.30

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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.