Home / 7,619.10-10,514.54-5,384.92

Finding the Fourth Proportional to 7,619.10, 10,514.54 and 5,384.92

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Solution

The fourth proportional to 7,619.10, 10,514.54 and 5,384.92 is: 7,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.10 : 10,514.54 = 5,384.92 : x
  2. Step 2: Convert to fraction form
    7,619.10/10,514.54 = 5,384.92/x
  3. Step 3: Cross multiply
    7,619.10x = 10,514.54 × 5,384.92
  4. Step 4: Simplify right side
    7,619.10x = 56,619,956.74
  5. Step 5: Solve for x
    x = 56,619,956.74/7,619.10
  6. Step 6: Final answer
    x = 7,431.32

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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.