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Finding the Fourth Proportional to 4,005.80, 5,523 and 2,513.16

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Solution

The fourth proportional to 4,005.80, 5,523 and 2,513.16 is: 3,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.80 : 5,523 = 2,513.16 : x
  2. Step 2: Convert to fraction form
    4,005.80/5,523 = 2,513.16/x
  3. Step 3: Cross multiply
    4,005.80x = 5,523 × 2,513.16
  4. Step 4: Simplify right side
    4,005.80x = 13,880,182.68
  5. Step 5: Solve for x
    x = 13,880,182.68/4,005.80
  6. Step 6: Final answer
    x = 3,465.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.