Home / 5,155.02-7,734.96-2,557.62

Finding the Fourth Proportional to 5,155.02, 7,734.96 and 2,557.62

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Solution

The fourth proportional to 5,155.02, 7,734.96 and 2,557.62 is: 3,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.02 : 7,734.96 = 2,557.62 : x
  2. Step 2: Convert to fraction form
    5,155.02/7,734.96 = 2,557.62/x
  3. Step 3: Cross multiply
    5,155.02x = 7,734.96 × 2,557.62
  4. Step 4: Simplify right side
    5,155.02x = 19,783,088.40
  5. Step 5: Solve for x
    x = 19,783,088.40/5,155.02
  6. Step 6: Final answer
    x = 3,837.64

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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.