Home / 5,457.02-8,184.03-2,124.74

Finding the Fourth Proportional to 5,457.02, 8,184.03 and 2,124.74

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Solution

The fourth proportional to 5,457.02, 8,184.03 and 2,124.74 is: 3,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.02 : 8,184.03 = 2,124.74 : x
  2. Step 2: Convert to fraction form
    5,457.02/8,184.03 = 2,124.74/x
  3. Step 3: Cross multiply
    5,457.02x = 8,184.03 × 2,124.74
  4. Step 4: Simplify right side
    5,457.02x = 17,388,935.90
  5. Step 5: Solve for x
    x = 17,388,935.90/5,457.02
  6. Step 6: Final answer
    x = 3,186.53

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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.