Home / 7,130.56-10,689.60-5,741.44

Finding the Fourth Proportional to 7,130.56, 10,689.60 and 5,741.44

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Solution

The fourth proportional to 7,130.56, 10,689.60 and 5,741.44 is: 8,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.56 : 10,689.60 = 5,741.44 : x
  2. Step 2: Convert to fraction form
    7,130.56/10,689.60 = 5,741.44/x
  3. Step 3: Cross multiply
    7,130.56x = 10,689.60 × 5,741.44
  4. Step 4: Simplify right side
    7,130.56x = 61,373,697.02
  5. Step 5: Solve for x
    x = 61,373,697.02/7,130.56
  6. Step 6: Final answer
    x = 8,607.14

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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.