Home / 7,239.02-9,989.37-4,051.77

Finding the Fourth Proportional to 7,239.02, 9,989.37 and 4,051.77

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Solution

The fourth proportional to 7,239.02, 9,989.37 and 4,051.77 is: 5,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.02 : 9,989.37 = 4,051.77 : x
  2. Step 2: Convert to fraction form
    7,239.02/9,989.37 = 4,051.77/x
  3. Step 3: Cross multiply
    7,239.02x = 9,989.37 × 4,051.77
  4. Step 4: Simplify right side
    7,239.02x = 40,474,682.34
  5. Step 5: Solve for x
    x = 40,474,682.34/7,239.02
  6. Step 6: Final answer
    x = 5,591.19

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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.