Home / 5,880.02-8,116.88-4,202.10

Finding the Fourth Proportional to 5,880.02, 8,116.88 and 4,202.10

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Solution

The fourth proportional to 5,880.02, 8,116.88 and 4,202.10 is: 5,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.02 : 8,116.88 = 4,202.10 : x
  2. Step 2: Convert to fraction form
    5,880.02/8,116.88 = 4,202.10/x
  3. Step 3: Cross multiply
    5,880.02x = 8,116.88 × 4,202.10
  4. Step 4: Simplify right side
    5,880.02x = 34,107,920.44
  5. Step 5: Solve for x
    x = 34,107,920.44/5,880.02
  6. Step 6: Final answer
    x = 5,800.65

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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.