Home / 7,683.78-10,599.37-4,539.36

Finding the Fourth Proportional to 7,683.78, 10,599.37 and 4,539.36

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Solution

The fourth proportional to 7,683.78, 10,599.37 and 4,539.36 is: 6,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.78 : 10,599.37 = 4,539.36 : x
  2. Step 2: Convert to fraction form
    7,683.78/10,599.37 = 4,539.36/x
  3. Step 3: Cross multiply
    7,683.78x = 10,599.37 × 4,539.36
  4. Step 4: Simplify right side
    7,683.78x = 48,114,356.20
  5. Step 5: Solve for x
    x = 48,114,356.20/7,683.78
  6. Step 6: Final answer
    x = 6,261.81

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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.