Home / 5,254.02-7,880.42-2,130.86

Finding the Fourth Proportional to 5,254.02, 7,880.42 and 2,130.86

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Solution

The fourth proportional to 5,254.02, 7,880.42 and 2,130.86 is: 3,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.02 : 7,880.42 = 2,130.86 : x
  2. Step 2: Convert to fraction form
    5,254.02/7,880.42 = 2,130.86/x
  3. Step 3: Cross multiply
    5,254.02x = 7,880.42 × 2,130.86
  4. Step 4: Simplify right side
    5,254.02x = 16,792,071.76
  5. Step 5: Solve for x
    x = 16,792,071.76/5,254.02
  6. Step 6: Final answer
    x = 3,196.04

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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.