Home / 7,018.24-10,514.40-6,240.64

Finding the Fourth Proportional to 7,018.24, 10,514.40 and 6,240.64

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Solution

The fourth proportional to 7,018.24, 10,514.40 and 6,240.64 is: 9,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.24 : 10,514.40 = 6,240.64 : x
  2. Step 2: Convert to fraction form
    7,018.24/10,514.40 = 6,240.64/x
  3. Step 3: Cross multiply
    7,018.24x = 10,514.40 × 6,240.64
  4. Step 4: Simplify right side
    7,018.24x = 65,616,585.22
  5. Step 5: Solve for x
    x = 65,616,585.22/7,018.24
  6. Step 6: Final answer
    x = 9,349.44

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1.5x scale

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.