Home / 8,145.02-12,219.39-2,598.68

Finding the Fourth Proportional to 8,145.02, 12,219.39 and 2,598.68

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Solution

The fourth proportional to 8,145.02, 12,219.39 and 2,598.68 is: 3,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.02 : 12,219.39 = 2,598.68 : x
  2. Step 2: Convert to fraction form
    8,145.02/12,219.39 = 2,598.68/x
  3. Step 3: Cross multiply
    8,145.02x = 12,219.39 × 2,598.68
  4. Step 4: Simplify right side
    8,145.02x = 31,754,314.95
  5. Step 5: Solve for x
    x = 31,754,314.95/8,145.02
  6. Step 6: Final answer
    x = 3,898.62

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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.