Home / 8,457.87-12,688.02-2,614.94

Finding the Fourth Proportional to 8,457.87, 12,688.02 and 2,614.94

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Solution

The fourth proportional to 8,457.87, 12,688.02 and 2,614.94 is: 3,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.87 : 12,688.02 = 2,614.94 : x
  2. Step 2: Convert to fraction form
    8,457.87/12,688.02 = 2,614.94/x
  3. Step 3: Cross multiply
    8,457.87x = 12,688.02 × 2,614.94
  4. Step 4: Simplify right side
    8,457.87x = 33,178,411.02
  5. Step 5: Solve for x
    x = 33,178,411.02/8,457.87
  6. Step 6: Final answer
    x = 3,922.79

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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.