Home / 8,557.02-11,807.85-5,019.54

Finding the Fourth Proportional to 8,557.02, 11,807.85 and 5,019.54

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Solution

The fourth proportional to 8,557.02, 11,807.85 and 5,019.54 is: 6,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.02 : 11,807.85 = 5,019.54 : x
  2. Step 2: Convert to fraction form
    8,557.02/11,807.85 = 5,019.54/x
  3. Step 3: Cross multiply
    8,557.02x = 11,807.85 × 5,019.54
  4. Step 4: Simplify right side
    8,557.02x = 59,269,975.39
  5. Step 5: Solve for x
    x = 59,269,975.39/8,557.02
  6. Step 6: Final answer
    x = 6,926.47

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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.