Home / 7,427.08-10,249.53-4,240.31

Finding the Fourth Proportional to 7,427.08, 10,249.53 and 4,240.31

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Solution

The fourth proportional to 7,427.08, 10,249.53 and 4,240.31 is: 5,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.08 : 10,249.53 = 4,240.31 : x
  2. Step 2: Convert to fraction form
    7,427.08/10,249.53 = 4,240.31/x
  3. Step 3: Cross multiply
    7,427.08x = 10,249.53 × 4,240.31
  4. Step 4: Simplify right side
    7,427.08x = 43,461,184.55
  5. Step 5: Solve for x
    x = 43,461,184.55/7,427.08
  6. Step 6: Final answer
    x = 5,851.72

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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.