Home / 5,513.02-8,270.74-1,815.10

Finding the Fourth Proportional to 5,513.02, 8,270.74 and 1,815.10

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Solution

The fourth proportional to 5,513.02, 8,270.74 and 1,815.10 is: 2,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.02 : 8,270.74 = 1,815.10 : x
  2. Step 2: Convert to fraction form
    5,513.02/8,270.74 = 1,815.10/x
  3. Step 3: Cross multiply
    5,513.02x = 8,270.74 × 1,815.10
  4. Step 4: Simplify right side
    5,513.02x = 15,012,220.17
  5. Step 5: Solve for x
    x = 15,012,220.17/5,513.02
  6. Step 6: Final answer
    x = 2,723.05

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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.